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Finding the Fourth Proportional to 225,506.52, 338,259.56 and 92,387.02

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Solution

The fourth proportional to 225,506.52, 338,259.56 and 92,387.02 is: 138,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,506.52 : 338,259.56 = 92,387.02 : x
  2. Step 2: Convert to fraction form
    225,506.52/338,259.56 = 92,387.02/x
  3. Step 3: Cross multiply
    225,506.52x = 338,259.56 × 92,387.02
  4. Step 4: Simplify right side
    225,506.52x = 31,250,792,695.80
  5. Step 5: Solve for x
    x = 31,250,792,695.80/225,506.52
  6. Step 6: Final answer
    x = 138,580.44

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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.