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Finding the Fourth Proportional to 104,617.71, 144,388.22 and 63,805.52

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Solution

The fourth proportional to 104,617.71, 144,388.22 and 63,805.52 is: 88,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,617.71 : 144,388.22 = 63,805.52 : x
  2. Step 2: Convert to fraction form
    104,617.71/144,388.22 = 63,805.52/x
  3. Step 3: Cross multiply
    104,617.71x = 144,388.22 × 63,805.52
  4. Step 4: Simplify right side
    104,617.71x = 9,212,765,458.97
  5. Step 5: Solve for x
    x = 9,212,765,458.97/104,617.71
  6. Step 6: Final answer
    x = 88,061.24

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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.