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Finding the Fourth Proportional to 86,563.62, 119,191.33 and 73,788.17

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Solution

The fourth proportional to 86,563.62, 119,191.33 and 73,788.17 is: 101,600.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,563.62 : 119,191.33 = 73,788.17 : x
  2. Step 2: Convert to fraction form
    86,563.62/119,191.33 = 73,788.17/x
  3. Step 3: Cross multiply
    86,563.62x = 119,191.33 × 73,788.17
  4. Step 4: Simplify right side
    86,563.62x = 8,794,909,616.84
  5. Step 5: Solve for x
    x = 8,794,909,616.84/86,563.62
  6. Step 6: Final answer
    x = 101,600.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.