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Finding the Fourth Proportional to 159,472.03, 239,208.38 and 149,728.95

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Solution

The fourth proportional to 159,472.03, 239,208.38 and 149,728.95 is: 224,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,472.03 : 239,208.38 = 149,728.95 : x
  2. Step 2: Convert to fraction form
    159,472.03/239,208.38 = 149,728.95/x
  3. Step 3: Cross multiply
    159,472.03x = 239,208.38 × 149,728.95
  4. Step 4: Simplify right side
    159,472.03x = 35,816,418,746.88
  5. Step 5: Solve for x
    x = 35,816,418,746.88/159,472.03
  6. Step 6: Final answer
    x = 224,593.73

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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.