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Finding the Fourth Proportional to 153,761.28, 230,640.56 and 48,580.26

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Solution

The fourth proportional to 153,761.28, 230,640.56 and 48,580.26 is: 72,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,761.28 : 230,640.56 = 48,580.26 : x
  2. Step 2: Convert to fraction form
    153,761.28/230,640.56 = 48,580.26/x
  3. Step 3: Cross multiply
    153,761.28x = 230,640.56 × 48,580.26
  4. Step 4: Simplify right side
    153,761.28x = 11,204,578,371.35
  5. Step 5: Solve for x
    x = 11,204,578,371.35/153,761.28
  6. Step 6: Final answer
    x = 72,869.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.