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Finding the Fourth Proportional to 60,505.60, 90,773.52 and 48,072.64

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Solution

The fourth proportional to 60,505.60, 90,773.52 and 48,072.64 is: 72,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,505.60 : 90,773.52 = 48,072.64 : x
  2. Step 2: Convert to fraction form
    60,505.60/90,773.52 = 48,072.64/x
  3. Step 3: Cross multiply
    60,505.60x = 90,773.52 × 48,072.64
  4. Step 4: Simplify right side
    60,505.60x = 4,363,722,748.49
  5. Step 5: Solve for x
    x = 4,363,722,748.49/60,505.60
  6. Step 6: Final answer
    x = 72,120.97

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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.