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Finding the Fourth Proportional to 71,240.96, 98,312.96 and 41,432.96

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Solution

The fourth proportional to 71,240.96, 98,312.96 and 41,432.96 is: 57,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,240.96 : 98,312.96 = 41,432.96 : x
  2. Step 2: Convert to fraction form
    71,240.96/98,312.96 = 41,432.96/x
  3. Step 3: Cross multiply
    71,240.96x = 98,312.96 × 41,432.96
  4. Step 4: Simplify right side
    71,240.96x = 4,073,396,939.16
  5. Step 5: Solve for x
    x = 4,073,396,939.16/71,240.96
  6. Step 6: Final answer
    x = 57,177.74

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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.