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Finding the Fourth Proportional to 218,624.27, 301,702.12 and 126,761.36

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Solution

The fourth proportional to 218,624.27, 301,702.12 and 126,761.36 is: 174,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,624.27 : 301,702.12 = 126,761.36 : x
  2. Step 2: Convert to fraction form
    218,624.27/301,702.12 = 126,761.36/x
  3. Step 3: Cross multiply
    218,624.27x = 301,702.12 × 126,761.36
  4. Step 4: Simplify right side
    218,624.27x = 38,244,169,220.67
  5. Step 5: Solve for x
    x = 38,244,169,220.67/218,624.27
  6. Step 6: Final answer
    x = 174,931.04

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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.