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Finding the Fourth Proportional to 98,363.97, 135,758.03 and 55,936.17

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Solution

The fourth proportional to 98,363.97, 135,758.03 and 55,936.17 is: 77,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,363.97 : 135,758.03 = 55,936.17 : x
  2. Step 2: Convert to fraction form
    98,363.97/135,758.03 = 55,936.17/x
  3. Step 3: Cross multiply
    98,363.97x = 135,758.03 × 55,936.17
  4. Step 4: Simplify right side
    98,363.97x = 7,593,783,965.26
  5. Step 5: Solve for x
    x = 7,593,783,965.26/98,363.97
  6. Step 6: Final answer
    x = 77,200.87

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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.