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Finding the Fourth Proportional to 71,559.54, 98,764.38 and 41,345.76

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Solution

The fourth proportional to 71,559.54, 98,764.38 and 41,345.76 is: 57,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,559.54 : 98,764.38 = 41,345.76 : x
  2. Step 2: Convert to fraction form
    71,559.54/98,764.38 = 41,345.76/x
  3. Step 3: Cross multiply
    71,559.54x = 98,764.38 × 41,345.76
  4. Step 4: Simplify right side
    71,559.54x = 4,083,488,352.03
  5. Step 5: Solve for x
    x = 4,083,488,352.03/71,559.54
  6. Step 6: Final answer
    x = 57,064.21

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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.