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Finding the Fourth Proportional to 96,651.62, 133,383.80 and 60,374.55

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Solution

The fourth proportional to 96,651.62, 133,383.80 and 60,374.55 is: 83,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,651.62 : 133,383.80 = 60,374.55 : x
  2. Step 2: Convert to fraction form
    96,651.62/133,383.80 = 60,374.55/x
  3. Step 3: Cross multiply
    96,651.62x = 133,383.80 × 60,374.55
  4. Step 4: Simplify right side
    96,651.62x = 8,052,986,600.42
  5. Step 5: Solve for x
    x = 8,052,986,600.42/96,651.62
  6. Step 6: Final answer
    x = 83,319.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.