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Finding the Fourth Proportional to 169,737.23, 254,217.99 and 81,052.85

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Solution

The fourth proportional to 169,737.23, 254,217.99 and 81,052.85 is: 121,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,737.23 : 254,217.99 = 81,052.85 : x
  2. Step 2: Convert to fraction form
    169,737.23/254,217.99 = 81,052.85/x
  3. Step 3: Cross multiply
    169,737.23x = 254,217.99 × 81,052.85
  4. Step 4: Simplify right side
    169,737.23x = 20,605,092,610.77
  5. Step 5: Solve for x
    x = 20,605,092,610.77/169,737.23
  6. Step 6: Final answer
    x = 121,394.07

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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.