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Finding the Fourth Proportional to 95,248.70, 142,843.88 and 65,855.42

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Solution

The fourth proportional to 95,248.70, 142,843.88 and 65,855.42 is: 98,762.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,248.70 : 142,843.88 = 65,855.42 : x
  2. Step 2: Convert to fraction form
    95,248.70/142,843.88 = 65,855.42/x
  3. Step 3: Cross multiply
    95,248.70x = 142,843.88 × 65,855.42
  4. Step 4: Simplify right side
    95,248.70x = 9,407,043,711.83
  5. Step 5: Solve for x
    x = 9,407,043,711.83/95,248.70
  6. Step 6: Final answer
    x = 98,762.96

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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.