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Finding the Fourth Proportional to 372,649.71, 559,102.14 and 159,329.73

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Solution

The fourth proportional to 372,649.71, 559,102.14 and 159,329.73 is: 239,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,649.71 : 559,102.14 = 159,329.73 : x
  2. Step 2: Convert to fraction form
    372,649.71/559,102.14 = 159,329.73/x
  3. Step 3: Cross multiply
    372,649.71x = 559,102.14 × 159,329.73
  4. Step 4: Simplify right side
    372,649.71x = 89,081,592,211.97
  5. Step 5: Solve for x
    x = 89,081,592,211.97/372,649.71
  6. Step 6: Final answer
    x = 239,049.14

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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.