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Finding the Fourth Proportional to 125,939.25, 173,797.38 and 69,351.84

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Solution

The fourth proportional to 125,939.25, 173,797.38 and 69,351.84 is: 95,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,939.25 : 173,797.38 = 69,351.84 : x
  2. Step 2: Convert to fraction form
    125,939.25/173,797.38 = 69,351.84/x
  3. Step 3: Cross multiply
    125,939.25x = 173,797.38 × 69,351.84
  4. Step 4: Simplify right side
    125,939.25x = 12,053,168,090.18
  5. Step 5: Solve for x
    x = 12,053,168,090.18/125,939.25
  6. Step 6: Final answer
    x = 95,706.21

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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.