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Finding the Fourth Proportional to 123,424.31, 185,137.08 and 29,930.06

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Solution

The fourth proportional to 123,424.31, 185,137.08 and 29,930.06 is: 44,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,424.31 : 185,137.08 = 29,930.06 : x
  2. Step 2: Convert to fraction form
    123,424.31/185,137.08 = 29,930.06/x
  3. Step 3: Cross multiply
    123,424.31x = 185,137.08 × 29,930.06
  4. Step 4: Simplify right side
    123,424.31x = 5,541,164,375.47
  5. Step 5: Solve for x
    x = 5,541,164,375.47/123,424.31
  6. Step 6: Final answer
    x = 44,895.24

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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.