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Finding the Fourth Proportional to 123,395.25, 185,092.90 and 44,509.47

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Solution

The fourth proportional to 123,395.25, 185,092.90 and 44,509.47 is: 66,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,395.25 : 185,092.90 = 44,509.47 : x
  2. Step 2: Convert to fraction form
    123,395.25/185,092.90 = 44,509.47/x
  3. Step 3: Cross multiply
    123,395.25x = 185,092.90 × 44,509.47
  4. Step 4: Simplify right side
    123,395.25x = 8,238,386,704.03
  5. Step 5: Solve for x
    x = 8,238,386,704.03/123,395.25
  6. Step 6: Final answer
    x = 66,764.21

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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.