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Finding the Fourth Proportional to 72,080.94, 108,121.42 and 32,637.18

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Solution

The fourth proportional to 72,080.94, 108,121.42 and 32,637.18 is: 48,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,080.94 : 108,121.42 = 32,637.18 : x
  2. Step 2: Convert to fraction form
    72,080.94/108,121.42 = 32,637.18/x
  3. Step 3: Cross multiply
    72,080.94x = 108,121.42 × 32,637.18
  4. Step 4: Simplify right side
    72,080.94x = 3,528,778,246.40
  5. Step 5: Solve for x
    x = 3,528,778,246.40/72,080.94
  6. Step 6: Final answer
    x = 48,955.77

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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.