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Finding the Fourth Proportional to 98,267.97, 135,610.25 and 55,828.83

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Solution

The fourth proportional to 98,267.97, 135,610.25 and 55,828.83 is: 77,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,267.97 : 135,610.25 = 55,828.83 : x
  2. Step 2: Convert to fraction form
    98,267.97/135,610.25 = 55,828.83/x
  3. Step 3: Cross multiply
    98,267.97x = 135,610.25 × 55,828.83
  4. Step 4: Simplify right side
    98,267.97x = 7,570,961,593.51
  5. Step 5: Solve for x
    x = 7,570,961,593.51/98,267.97
  6. Step 6: Final answer
    x = 77,044.04

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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.