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Finding the Fourth Proportional to 110,792.46, 166,275.90 and 40,691.82

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Solution

The fourth proportional to 110,792.46, 166,275.90 and 40,691.82 is: 61,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,792.46 : 166,275.90 = 40,691.82 : x
  2. Step 2: Convert to fraction form
    110,792.46/166,275.90 = 40,691.82/x
  3. Step 3: Cross multiply
    110,792.46x = 166,275.90 × 40,691.82
  4. Step 4: Simplify right side
    110,792.46x = 6,766,068,993.14
  5. Step 5: Solve for x
    x = 6,766,068,993.14/110,792.46
  6. Step 6: Final answer
    x = 61,069.76

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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.