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Finding the Fourth Proportional to 159,432.71, 239,152.64 and 59,538.41

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Solution

The fourth proportional to 159,432.71, 239,152.64 and 59,538.41 is: 89,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,432.71 : 239,152.64 = 59,538.41 : x
  2. Step 2: Convert to fraction form
    159,432.71/239,152.64 = 59,538.41/x
  3. Step 3: Cross multiply
    159,432.71x = 239,152.64 × 59,538.41
  4. Step 4: Simplify right side
    159,432.71x = 14,238,767,932.90
  5. Step 5: Solve for x
    x = 14,238,767,932.90/159,432.71
  6. Step 6: Final answer
    x = 89,308.95

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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.