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Finding the Fourth Proportional to 125,939.56, 173,797.86 and 69,351.16

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Solution

The fourth proportional to 125,939.56, 173,797.86 and 69,351.16 is: 95,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,939.56 : 173,797.86 = 69,351.16 : x
  2. Step 2: Convert to fraction form
    125,939.56/173,797.86 = 69,351.16/x
  3. Step 3: Cross multiply
    125,939.56x = 173,797.86 × 69,351.16
  4. Step 4: Simplify right side
    125,939.56x = 12,053,083,196.52
  5. Step 5: Solve for x
    x = 12,053,083,196.52/125,939.56
  6. Step 6: Final answer
    x = 95,705.30

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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.