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Finding the Fourth Proportional to 126,196.88, 174,149 and 69,613.52

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Solution

The fourth proportional to 126,196.88, 174,149 and 69,613.52 is: 96,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,196.88 : 174,149 = 69,613.52 : x
  2. Step 2: Convert to fraction form
    126,196.88/174,149 = 69,613.52/x
  3. Step 3: Cross multiply
    126,196.88x = 174,149 × 69,613.52
  4. Step 4: Simplify right side
    126,196.88x = 12,123,124,894.48
  5. Step 5: Solve for x
    x = 12,123,124,894.48/126,196.88
  6. Step 6: Final answer
    x = 96,065.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.