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Finding the Fourth Proportional to 248,793.80, 343,227.33 and 158,101.21

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Solution

The fourth proportional to 248,793.80, 343,227.33 and 158,101.21 is: 218,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,793.80 : 343,227.33 = 158,101.21 : x
  2. Step 2: Convert to fraction form
    248,793.80/343,227.33 = 158,101.21/x
  3. Step 3: Cross multiply
    248,793.80x = 343,227.33 × 158,101.21
  4. Step 4: Simplify right side
    248,793.80x = 54,264,655,320.00
  5. Step 5: Solve for x
    x = 54,264,655,320.00/248,793.80
  6. Step 6: Final answer
    x = 218,110.96

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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.