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Finding the Fourth Proportional to 63,958.80, 95,711.40 and 55,729.20

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Solution

The fourth proportional to 63,958.80, 95,711.40 and 55,729.20 is: 83,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,958.80 : 95,711.40 = 55,729.20 : x
  2. Step 2: Convert to fraction form
    63,958.80/95,711.40 = 55,729.20/x
  3. Step 3: Cross multiply
    63,958.80x = 95,711.40 × 55,729.20
  4. Step 4: Simplify right side
    63,958.80x = 5,333,919,752.88
  5. Step 5: Solve for x
    x = 5,333,919,752.88/63,958.80
  6. Step 6: Final answer
    x = 83,396.18

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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.