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Finding the Fourth Proportional to 69,097.78, 103,626.22 and 29,645.52

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Solution

The fourth proportional to 69,097.78, 103,626.22 and 29,645.52 is: 44,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,097.78 : 103,626.22 = 29,645.52 : x
  2. Step 2: Convert to fraction form
    69,097.78/103,626.22 = 29,645.52/x
  3. Step 3: Cross multiply
    69,097.78x = 103,626.22 × 29,645.52
  4. Step 4: Simplify right side
    69,097.78x = 3,072,053,177.53
  5. Step 5: Solve for x
    x = 3,072,053,177.53/69,097.78
  6. Step 6: Final answer
    x = 44,459.51

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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.