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Finding the Fourth Proportional to 99,854.04, 137,797.88 and 54,532.04

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Solution

The fourth proportional to 99,854.04, 137,797.88 and 54,532.04 is: 75,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854.04 : 137,797.88 = 54,532.04 : x
  2. Step 2: Convert to fraction form
    99,854.04/137,797.88 = 54,532.04/x
  3. Step 3: Cross multiply
    99,854.04x = 137,797.88 × 54,532.04
  4. Step 4: Simplify right side
    99,854.04x = 7,514,398,542.43
  5. Step 5: Solve for x
    x = 7,514,398,542.43/99,854.04
  6. Step 6: Final answer
    x = 75,253.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.