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Finding the Fourth Proportional to 73,531.74, 101,481.30 and 43,326.48

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Solution

The fourth proportional to 73,531.74, 101,481.30 and 43,326.48 is: 59,794.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,531.74 : 101,481.30 = 43,326.48 : x
  2. Step 2: Convert to fraction form
    73,531.74/101,481.30 = 43,326.48/x
  3. Step 3: Cross multiply
    73,531.74x = 101,481.30 × 43,326.48
  4. Step 4: Simplify right side
    73,531.74x = 4,396,827,514.82
  5. Step 5: Solve for x
    x = 4,396,827,514.82/73,531.74
  6. Step 6: Final answer
    x = 59,794.96

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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.