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Finding the Fourth Proportional to 73,689.82, 101,691.90 and 41,858.74

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Solution

The fourth proportional to 73,689.82, 101,691.90 and 41,858.74 is: 57,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,689.82 : 101,691.90 = 41,858.74 : x
  2. Step 2: Convert to fraction form
    73,689.82/101,691.90 = 41,858.74/x
  3. Step 3: Cross multiply
    73,689.82x = 101,691.90 × 41,858.74
  4. Step 4: Simplify right side
    73,689.82x = 4,256,694,802.21
  5. Step 5: Solve for x
    x = 4,256,694,802.21/73,689.82
  6. Step 6: Final answer
    x = 57,765.03

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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.