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Finding the Fourth Proportional to 69,487.92, 95,850.54 and 60,556.86

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Solution

The fourth proportional to 69,487.92, 95,850.54 and 60,556.86 is: 83,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,487.92 : 95,850.54 = 60,556.86 : x
  2. Step 2: Convert to fraction form
    69,487.92/95,850.54 = 60,556.86/x
  3. Step 3: Cross multiply
    69,487.92x = 95,850.54 × 60,556.86
  4. Step 4: Simplify right side
    69,487.92x = 5,804,407,731.70
  5. Step 5: Solve for x
    x = 5,804,407,731.70/69,487.92
  6. Step 6: Final answer
    x = 83,531.18

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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.