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Finding the Fourth Proportional to 104,920.28, 157,404.97 and 41,743.97

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Solution

The fourth proportional to 104,920.28, 157,404.97 and 41,743.97 is: 62,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,920.28 : 157,404.97 = 41,743.97 : x
  2. Step 2: Convert to fraction form
    104,920.28/157,404.97 = 41,743.97/x
  3. Step 3: Cross multiply
    104,920.28x = 157,404.97 × 41,743.97
  4. Step 4: Simplify right side
    104,920.28x = 6,570,708,345.53
  5. Step 5: Solve for x
    x = 6,570,708,345.53/104,920.28
  6. Step 6: Final answer
    x = 62,625.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.