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Finding the Fourth Proportional to 42,102.56, 63,148.80 and 32,751.92

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Solution

The fourth proportional to 42,102.56, 63,148.80 and 32,751.92 is: 49,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,102.56 : 63,148.80 = 32,751.92 : x
  2. Step 2: Convert to fraction form
    42,102.56/63,148.80 = 32,751.92/x
  3. Step 3: Cross multiply
    42,102.56x = 63,148.80 × 32,751.92
  4. Step 4: Simplify right side
    42,102.56x = 2,068,244,445.70
  5. Step 5: Solve for x
    x = 2,068,244,445.70/42,102.56
  6. Step 6: Final answer
    x = 49,123.96

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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.