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Finding the Fourth Proportional to 66,107.68, 99,200.92 and 23,991.06

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Solution

The fourth proportional to 66,107.68, 99,200.92 and 23,991.06 is: 36,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,107.68 : 99,200.92 = 23,991.06 : x
  2. Step 2: Convert to fraction form
    66,107.68/99,200.92 = 23,991.06/x
  3. Step 3: Cross multiply
    66,107.68x = 99,200.92 × 23,991.06
  4. Step 4: Simplify right side
    66,107.68x = 2,379,935,223.78
  5. Step 5: Solve for x
    x = 2,379,935,223.78/66,107.68
  6. Step 6: Final answer
    x = 36,000.89

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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.