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Finding the Fourth Proportional to 104,151.97, 143,744.03 and 63,858.61

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Solution

The fourth proportional to 104,151.97, 143,744.03 and 63,858.61 is: 88,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,151.97 : 143,744.03 = 63,858.61 : x
  2. Step 2: Convert to fraction form
    104,151.97/143,744.03 = 63,858.61/x
  3. Step 3: Cross multiply
    104,151.97x = 143,744.03 × 63,858.61
  4. Step 4: Simplify right side
    104,151.97x = 9,179,293,951.60
  5. Step 5: Solve for x
    x = 9,179,293,951.60/104,151.97
  6. Step 6: Final answer
    x = 88,133.66

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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.