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Finding the Fourth Proportional to 71,543.67, 98,734.86 and 41,330.27

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Solution

The fourth proportional to 71,543.67, 98,734.86 and 41,330.27 is: 57,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,543.67 : 98,734.86 = 41,330.27 : x
  2. Step 2: Convert to fraction form
    71,543.67/98,734.86 = 41,330.27/x
  3. Step 3: Cross multiply
    71,543.67x = 98,734.86 × 41,330.27
  4. Step 4: Simplify right side
    71,543.67x = 4,080,737,928.54
  5. Step 5: Solve for x
    x = 4,080,737,928.54/71,543.67
  6. Step 6: Final answer
    x = 57,038.42

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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.