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Finding the Fourth Proportional to 218,624.44, 301,702.32 and 126,761.56

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Solution

The fourth proportional to 218,624.44, 301,702.32 and 126,761.56 is: 174,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,624.44 : 301,702.32 = 126,761.56 : x
  2. Step 2: Convert to fraction form
    218,624.44/301,702.32 = 126,761.56/x
  3. Step 3: Cross multiply
    218,624.44x = 301,702.32 × 126,761.56
  4. Step 4: Simplify right side
    218,624.44x = 38,244,256,738.82
  5. Step 5: Solve for x
    x = 38,244,256,738.82/218,624.44
  6. Step 6: Final answer
    x = 174,931.30

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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.