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Finding the Fourth Proportional to 229,877.87, 317,223.50 and 126,502.43

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Solution

The fourth proportional to 229,877.87, 317,223.50 and 126,502.43 is: 174,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,877.87 : 317,223.50 = 126,502.43 : x
  2. Step 2: Convert to fraction form
    229,877.87/317,223.50 = 126,502.43/x
  3. Step 3: Cross multiply
    229,877.87x = 317,223.50 × 126,502.43
  4. Step 4: Simplify right side
    229,877.87x = 40,129,541,384.48
  5. Step 5: Solve for x
    x = 40,129,541,384.48/229,877.87
  6. Step 6: Final answer
    x = 174,568.97

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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.