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Finding the Fourth Proportional to 187,732.56, 259,069.38 and 101,689.55

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Solution

The fourth proportional to 187,732.56, 259,069.38 and 101,689.55 is: 140,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,732.56 : 259,069.38 = 101,689.55 : x
  2. Step 2: Convert to fraction form
    187,732.56/259,069.38 = 101,689.55/x
  3. Step 3: Cross multiply
    187,732.56x = 259,069.38 × 101,689.55
  4. Step 4: Simplify right side
    187,732.56x = 26,344,647,375.63
  5. Step 5: Solve for x
    x = 26,344,647,375.63/187,732.56
  6. Step 6: Final answer
    x = 140,330.73

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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.