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Finding the Fourth Proportional to 71,568.01, 98,768.33 and 41,358.87

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Solution

The fourth proportional to 71,568.01, 98,768.33 and 41,358.87 is: 57,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,568.01 : 98,768.33 = 41,358.87 : x
  2. Step 2: Convert to fraction form
    71,568.01/98,768.33 = 41,358.87/x
  3. Step 3: Cross multiply
    71,568.01x = 98,768.33 × 41,358.87
  4. Step 4: Simplify right side
    71,568.01x = 4,084,945,819.95
  5. Step 5: Solve for x
    x = 4,084,945,819.95/71,568.01
  6. Step 6: Final answer
    x = 57,077.82

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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.