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Finding the Fourth Proportional to 72,582,661.60, 108,873,992.40 and 32,193,145.60

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Solution

The fourth proportional to 72,582,661.60, 108,873,992.40 and 32,193,145.60 is: 48,289,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582,661.60 : 108,873,992.40 = 32,193,145.60 : x
  2. Step 2: Convert to fraction form
    72,582,661.60/108,873,992.40 = 32,193,145.60/x
  3. Step 3: Cross multiply
    72,582,661.60x = 108,873,992.40 × 32,193,145.60
  4. Step 4: Simplify right side
    72,582,661.60x = 3,504,996,289,386,494
  5. Step 5: Solve for x
    x = 3,504,996,289,386,494/72,582,661.60
  6. Step 6: Final answer
    x = 48,289,718.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.