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Finding the Fourth Proportional to 125,893.28, 173,732.26 and 69,304.65

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Solution

The fourth proportional to 125,893.28, 173,732.26 and 69,304.65 is: 95,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,893.28 : 173,732.26 = 69,304.65 : x
  2. Step 2: Convert to fraction form
    125,893.28/173,732.26 = 69,304.65/x
  3. Step 3: Cross multiply
    125,893.28x = 173,732.26 × 69,304.65
  4. Step 4: Simplify right side
    125,893.28x = 12,040,453,473.01
  5. Step 5: Solve for x
    x = 12,040,453,473.01/125,893.28
  6. Step 6: Final answer
    x = 95,640.16

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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.