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Finding the Fourth Proportional to 95,952.80, 143,742.12 and 58,419.80

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Solution

The fourth proportional to 95,952.80, 143,742.12 and 58,419.80 is: 87,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,952.80 : 143,742.12 = 58,419.80 : x
  2. Step 2: Convert to fraction form
    95,952.80/143,742.12 = 58,419.80/x
  3. Step 3: Cross multiply
    95,952.80x = 143,742.12 × 58,419.80
  4. Step 4: Simplify right side
    95,952.80x = 8,397,385,901.98
  5. Step 5: Solve for x
    x = 8,397,385,901.98/95,952.80
  6. Step 6: Final answer
    x = 87,515.80

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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.