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Finding the Fourth Proportional to 125,758.44, 173,543.16 and 69,169.92

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Solution

The fourth proportional to 125,758.44, 173,543.16 and 69,169.92 is: 95,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,758.44 : 173,543.16 = 69,169.92 : x
  2. Step 2: Convert to fraction form
    125,758.44/173,543.16 = 69,169.92/x
  3. Step 3: Cross multiply
    125,758.44x = 173,543.16 × 69,169.92
  4. Step 4: Simplify right side
    125,758.44x = 12,003,966,493.75
  5. Step 5: Solve for x
    x = 12,003,966,493.75/125,758.44
  6. Step 6: Final answer
    x = 95,452.57

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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.