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Finding the Fourth Proportional to 125,758.47, 173,543.22 and 69,169.89

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Solution

The fourth proportional to 125,758.47, 173,543.22 and 69,169.89 is: 95,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,758.47 : 173,543.22 = 69,169.89 : x
  2. Step 2: Convert to fraction form
    125,758.47/173,543.22 = 69,169.89/x
  3. Step 3: Cross multiply
    125,758.47x = 173,543.22 × 69,169.89
  4. Step 4: Simplify right side
    125,758.47x = 12,003,965,437.65
  5. Step 5: Solve for x
    x = 12,003,965,437.65/125,758.47
  6. Step 6: Final answer
    x = 95,452.54

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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.