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Finding the Fourth Proportional to 95,282.95, 142,911.18 and 66,733.42

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Solution

The fourth proportional to 95,282.95, 142,911.18 and 66,733.42 is: 100,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,282.95 : 142,911.18 = 66,733.42 : x
  2. Step 2: Convert to fraction form
    95,282.95/142,911.18 = 66,733.42/x
  3. Step 3: Cross multiply
    95,282.95x = 142,911.18 × 66,733.42
  4. Step 4: Simplify right side
    95,282.95x = 9,536,951,797.64
  5. Step 5: Solve for x
    x = 9,536,951,797.64/95,282.95
  6. Step 6: Final answer
    x = 100,090.85

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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.