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Finding the Fourth Proportional to 95,713.80, 131,948.16 and 67,331.40

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Solution

The fourth proportional to 95,713.80, 131,948.16 and 67,331.40 is: 92,821.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,713.80 : 131,948.16 = 67,331.40 : x
  2. Step 2: Convert to fraction form
    95,713.80/131,948.16 = 67,331.40/x
  3. Step 3: Cross multiply
    95,713.80x = 131,948.16 × 67,331.40
  4. Step 4: Simplify right side
    95,713.80x = 8,884,254,340.22
  5. Step 5: Solve for x
    x = 8,884,254,340.22/95,713.80
  6. Step 6: Final answer
    x = 92,821.04

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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.