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Finding the Fourth Proportional to 181,227.53, 271,737.12 and 74,685.04

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Solution

The fourth proportional to 181,227.53, 271,737.12 and 74,685.04 is: 111,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,227.53 : 271,737.12 = 74,685.04 : x
  2. Step 2: Convert to fraction form
    181,227.53/271,737.12 = 74,685.04/x
  3. Step 3: Cross multiply
    181,227.53x = 271,737.12 × 74,685.04
  4. Step 4: Simplify right side
    181,227.53x = 20,294,696,752.28
  5. Step 5: Solve for x
    x = 20,294,696,752.28/181,227.53
  6. Step 6: Final answer
    x = 111,984.63

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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.