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Finding the Fourth Proportional to 126,502.68, 174,566.88 and 69,910.68

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Solution

The fourth proportional to 126,502.68, 174,566.88 and 69,910.68 is: 96,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,502.68 : 174,566.88 = 69,910.68 : x
  2. Step 2: Convert to fraction form
    126,502.68/174,566.88 = 69,910.68/x
  3. Step 3: Cross multiply
    126,502.68x = 174,566.88 × 69,910.68
  4. Step 4: Simplify right side
    126,502.68x = 12,204,089,286.28
  5. Step 5: Solve for x
    x = 12,204,089,286.28/126,502.68
  6. Step 6: Final answer
    x = 96,472.97

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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.