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Finding the Fourth Proportional to 98,227.70, 135,570.53 and 57,951.35

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Solution

The fourth proportional to 98,227.70, 135,570.53 and 57,951.35 is: 79,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,227.70 : 135,570.53 = 57,951.35 : x
  2. Step 2: Convert to fraction form
    98,227.70/135,570.53 = 57,951.35/x
  3. Step 3: Cross multiply
    98,227.70x = 135,570.53 × 57,951.35
  4. Step 4: Simplify right side
    98,227.70x = 7,856,495,717.52
  5. Step 5: Solve for x
    x = 7,856,495,717.52/98,227.70
  6. Step 6: Final answer
    x = 79,982.48

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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.