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Finding the Fourth Proportional to 159,681, 239,520.54 and 41,352.04

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Solution

The fourth proportional to 159,681, 239,520.54 and 41,352.04 is: 62,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,681 : 239,520.54 = 41,352.04 : x
  2. Step 2: Convert to fraction form
    159,681/239,520.54 = 41,352.04/x
  3. Step 3: Cross multiply
    159,681x = 239,520.54 × 41,352.04
  4. Step 4: Simplify right side
    159,681x = 9,904,662,950.90
  5. Step 5: Solve for x
    x = 9,904,662,950.90/159,681
  6. Step 6: Final answer
    x = 62,027.81

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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.