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Finding the Fourth Proportional to 98,654.94, 136,143.63 and 53,332.92

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Solution

The fourth proportional to 98,654.94, 136,143.63 and 53,332.92 is: 73,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,654.94 : 136,143.63 = 53,332.92 : x
  2. Step 2: Convert to fraction form
    98,654.94/136,143.63 = 53,332.92/x
  3. Step 3: Cross multiply
    98,654.94x = 136,143.63 × 53,332.92
  4. Step 4: Simplify right side
    98,654.94x = 7,260,937,327.30
  5. Step 5: Solve for x
    x = 7,260,937,327.30/98,654.94
  6. Step 6: Final answer
    x = 73,599.33

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.