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Finding the Fourth Proportional to 95,768.92, 143,518.92 and 75,690.17

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Solution

The fourth proportional to 95,768.92, 143,518.92 and 75,690.17 is: 113,428.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,768.92 : 143,518.92 = 75,690.17 : x
  2. Step 2: Convert to fraction form
    95,768.92/143,518.92 = 75,690.17/x
  3. Step 3: Cross multiply
    95,768.92x = 143,518.92 × 75,690.17
  4. Step 4: Simplify right side
    95,768.92x = 10,862,971,453.02
  5. Step 5: Solve for x
    x = 10,862,971,453.02/95,768.92
  6. Step 6: Final answer
    x = 113,428.99

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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.