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Finding the Fourth Proportional to 95,086.40, 131,220.80 and 52,065.20

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Solution

The fourth proportional to 95,086.40, 131,220.80 and 52,065.20 is: 71,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,086.40 : 131,220.80 = 52,065.20 : x
  2. Step 2: Convert to fraction form
    95,086.40/131,220.80 = 52,065.20/x
  3. Step 3: Cross multiply
    95,086.40x = 131,220.80 × 52,065.20
  4. Step 4: Simplify right side
    95,086.40x = 6,832,037,196.16
  5. Step 5: Solve for x
    x = 6,832,037,196.16/95,086.40
  6. Step 6: Final answer
    x = 71,850.83

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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.