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Finding the Fourth Proportional to 159,572.90, 239,432.01 and 59,740.88

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Solution

The fourth proportional to 159,572.90, 239,432.01 and 59,740.88 is: 89,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,572.90 : 239,432.01 = 59,740.88 : x
  2. Step 2: Convert to fraction form
    159,572.90/239,432.01 = 59,740.88/x
  3. Step 3: Cross multiply
    159,572.90x = 239,432.01 × 59,740.88
  4. Step 4: Simplify right side
    159,572.90x = 14,303,877,780.41
  5. Step 5: Solve for x
    x = 14,303,877,780.41/159,572.90
  6. Step 6: Final answer
    x = 89,638.52

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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.