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Finding the Fourth Proportional to 110,807.43, 166,152.82 and 75,757.11

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Solution

The fourth proportional to 110,807.43, 166,152.82 and 75,757.11 is: 113,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,807.43 : 166,152.82 = 75,757.11 : x
  2. Step 2: Convert to fraction form
    110,807.43/166,152.82 = 75,757.11/x
  3. Step 3: Cross multiply
    110,807.43x = 166,152.82 × 75,757.11
  4. Step 4: Simplify right side
    110,807.43x = 12,587,257,461.55
  5. Step 5: Solve for x
    x = 12,587,257,461.55/110,807.43
  6. Step 6: Final answer
    x = 113,595.79

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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.