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Finding the Fourth Proportional to 159,884.20, 239,531.10 and 93,356.20

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Solution

The fourth proportional to 159,884.20, 239,531.10 and 93,356.20 is: 139,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,884.20 : 239,531.10 = 93,356.20 : x
  2. Step 2: Convert to fraction form
    159,884.20/239,531.10 = 93,356.20/x
  3. Step 3: Cross multiply
    159,884.20x = 239,531.10 × 93,356.20
  4. Step 4: Simplify right side
    159,884.20x = 22,361,713,277.82
  5. Step 5: Solve for x
    x = 22,361,713,277.82/159,884.20
  6. Step 6: Final answer
    x = 139,861.93

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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.