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Finding the Fourth Proportional to 95,286.18, 142,900.01 and 65,892.90

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Solution

The fourth proportional to 95,286.18, 142,900.01 and 65,892.90 is: 98,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,286.18 : 142,900.01 = 65,892.90 : x
  2. Step 2: Convert to fraction form
    95,286.18/142,900.01 = 65,892.90/x
  3. Step 3: Cross multiply
    95,286.18x = 142,900.01 × 65,892.90
  4. Step 4: Simplify right side
    95,286.18x = 9,416,096,068.93
  5. Step 5: Solve for x
    x = 9,416,096,068.93/95,286.18
  6. Step 6: Final answer
    x = 98,819.12

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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.