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Finding the Fourth Proportional to 71,414.75, 98,475.61 and 60,207.74

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Solution

The fourth proportional to 71,414.75, 98,475.61 and 60,207.74 is: 83,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,414.75 : 98,475.61 = 60,207.74 : x
  2. Step 2: Convert to fraction form
    71,414.75/98,475.61 = 60,207.74/x
  3. Step 3: Cross multiply
    71,414.75x = 98,475.61 × 60,207.74
  4. Step 4: Simplify right side
    71,414.75x = 5,928,993,923.22
  5. Step 5: Solve for x
    x = 5,928,993,923.22/71,414.75
  6. Step 6: Final answer
    x = 83,021.98

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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.