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Finding the Fourth Proportional to 95,281.95, 142,909.68 and 66,732.42

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Solution

The fourth proportional to 95,281.95, 142,909.68 and 66,732.42 is: 100,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,281.95 : 142,909.68 = 66,732.42 : x
  2. Step 2: Convert to fraction form
    95,281.95/142,909.68 = 66,732.42/x
  3. Step 3: Cross multiply
    95,281.95x = 142,909.68 × 66,732.42
  4. Step 4: Simplify right side
    95,281.95x = 9,536,708,787.83
  5. Step 5: Solve for x
    x = 9,536,708,787.83/95,281.95
  6. Step 6: Final answer
    x = 100,089.35

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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.