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Finding the Fourth Proportional to 87,069.33, 119,373.14 and 85,494.69

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Solution

The fourth proportional to 87,069.33, 119,373.14 and 85,494.69 is: 117,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,069.33 : 119,373.14 = 85,494.69 : x
  2. Step 2: Convert to fraction form
    87,069.33/119,373.14 = 85,494.69/x
  3. Step 3: Cross multiply
    87,069.33x = 119,373.14 × 85,494.69
  4. Step 4: Simplify right side
    87,069.33x = 10,205,769,812.36
  5. Step 5: Solve for x
    x = 10,205,769,812.36/87,069.33
  6. Step 6: Final answer
    x = 117,214.29

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.