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Finding the Fourth Proportional to 73,092.74, 109,639.13 and 25,742.79

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Solution

The fourth proportional to 73,092.74, 109,639.13 and 25,742.79 is: 38,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,092.74 : 109,639.13 = 25,742.79 : x
  2. Step 2: Convert to fraction form
    73,092.74/109,639.13 = 25,742.79/x
  3. Step 3: Cross multiply
    73,092.74x = 109,639.13 × 25,742.79
  4. Step 4: Simplify right side
    73,092.74x = 2,822,416,970.66
  5. Step 5: Solve for x
    x = 2,822,416,970.66/73,092.74
  6. Step 6: Final answer
    x = 38,614.19

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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.