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Finding the Fourth Proportional to 71,600.97, 107,313.30 and 29,454.78

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Solution

The fourth proportional to 71,600.97, 107,313.30 and 29,454.78 is: 44,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,600.97 : 107,313.30 = 29,454.78 : x
  2. Step 2: Convert to fraction form
    71,600.97/107,313.30 = 29,454.78/x
  3. Step 3: Cross multiply
    71,600.97x = 107,313.30 × 29,454.78
  4. Step 4: Simplify right side
    71,600.97x = 3,160,889,642.57
  5. Step 5: Solve for x
    x = 3,160,889,642.57/71,600.97
  6. Step 6: Final answer
    x = 44,145.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.