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Finding the Fourth Proportional to 159,901.71, 239,590.13 and 54,663.27

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Solution

The fourth proportional to 159,901.71, 239,590.13 and 54,663.27 is: 81,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,901.71 : 239,590.13 = 54,663.27 : x
  2. Step 2: Convert to fraction form
    159,901.71/239,590.13 = 54,663.27/x
  3. Step 3: Cross multiply
    159,901.71x = 239,590.13 × 54,663.27
  4. Step 4: Simplify right side
    159,901.71x = 13,096,779,692.21
  5. Step 5: Solve for x
    x = 13,096,779,692.21/159,901.71
  6. Step 6: Final answer
    x = 81,905.19

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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.