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Finding the Fourth Proportional to 150,635.49, 207,876.87 and 82,652.87

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Solution

The fourth proportional to 150,635.49, 207,876.87 and 82,652.87 is: 114,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,635.49 : 207,876.87 = 82,652.87 : x
  2. Step 2: Convert to fraction form
    150,635.49/207,876.87 = 82,652.87/x
  3. Step 3: Cross multiply
    150,635.49x = 207,876.87 × 82,652.87
  4. Step 4: Simplify right side
    150,635.49x = 17,181,618,872.73
  5. Step 5: Solve for x
    x = 17,181,618,872.73/150,635.49
  6. Step 6: Final answer
    x = 114,060.90

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1.5x scale

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.