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Finding the Fourth Proportional to 96,490.38, 133,221.70 and 60,247

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Solution

The fourth proportional to 96,490.38, 133,221.70 and 60,247 is: 83,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,490.38 : 133,221.70 = 60,247 : x
  2. Step 2: Convert to fraction form
    96,490.38/133,221.70 = 60,247/x
  3. Step 3: Cross multiply
    96,490.38x = 133,221.70 × 60,247
  4. Step 4: Simplify right side
    96,490.38x = 8,026,207,759.90
  5. Step 5: Solve for x
    x = 8,026,207,759.90/96,490.38
  6. Step 6: Final answer
    x = 83,181.43

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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.