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Finding the Fourth Proportional to 123,442.60, 185,163.90 and 29,948.35

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Solution

The fourth proportional to 123,442.60, 185,163.90 and 29,948.35 is: 44,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,442.60 : 185,163.90 = 29,948.35 : x
  2. Step 2: Convert to fraction form
    123,442.60/185,163.90 = 29,948.35/x
  3. Step 3: Cross multiply
    123,442.60x = 185,163.90 × 29,948.35
  4. Step 4: Simplify right side
    123,442.60x = 5,545,353,284.57
  5. Step 5: Solve for x
    x = 5,545,353,284.57/123,442.60
  6. Step 6: Final answer
    x = 44,922.53

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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.