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Finding the Fourth Proportional to 176,991.80, 244,009.87 and 171,488.12

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Solution

The fourth proportional to 176,991.80, 244,009.87 and 171,488.12 is: 236,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,991.80 : 244,009.87 = 171,488.12 : x
  2. Step 2: Convert to fraction form
    176,991.80/244,009.87 = 171,488.12/x
  3. Step 3: Cross multiply
    176,991.80x = 244,009.87 × 171,488.12
  4. Step 4: Simplify right side
    176,991.80x = 41,844,792,218.97
  5. Step 5: Solve for x
    x = 41,844,792,218.97/176,991.80
  6. Step 6: Final answer
    x = 236,422.22

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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.