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Finding the Fourth Proportional to 67,642.54, 93,372.87 and 60,556.66

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Solution

The fourth proportional to 67,642.54, 93,372.87 and 60,556.66 is: 83,591.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,642.54 : 93,372.87 = 60,556.66 : x
  2. Step 2: Convert to fraction form
    67,642.54/93,372.87 = 60,556.66/x
  3. Step 3: Cross multiply
    67,642.54x = 93,372.87 × 60,556.66
  4. Step 4: Simplify right side
    67,642.54x = 5,654,349,141.81
  5. Step 5: Solve for x
    x = 5,654,349,141.81/67,642.54
  6. Step 6: Final answer
    x = 83,591.61

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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.