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Finding the Fourth Proportional to 73,690.82, 101,693.28 and 41,859.74

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Solution

The fourth proportional to 73,690.82, 101,693.28 and 41,859.74 is: 57,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,690.82 : 101,693.28 = 41,859.74 : x
  2. Step 2: Convert to fraction form
    73,690.82/101,693.28 = 41,859.74/x
  3. Step 3: Cross multiply
    73,690.82x = 101,693.28 × 41,859.74
  4. Step 4: Simplify right side
    73,690.82x = 4,256,854,260.55
  5. Step 5: Solve for x
    x = 4,256,854,260.55/73,690.82
  6. Step 6: Final answer
    x = 57,766.41

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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.