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Finding the Fourth Proportional to 220,744.80, 304,618.82 and 125,249.44

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Solution

The fourth proportional to 220,744.80, 304,618.82 and 125,249.44 is: 172,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,744.80 : 304,618.82 = 125,249.44 : x
  2. Step 2: Convert to fraction form
    220,744.80/304,618.82 = 125,249.44/x
  3. Step 3: Cross multiply
    220,744.80x = 304,618.82 × 125,249.44
  4. Step 4: Simplify right side
    220,744.80x = 38,153,336,618.46
  5. Step 5: Solve for x
    x = 38,153,336,618.46/220,744.80
  6. Step 6: Final answer
    x = 172,839.12

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1.5x scale

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.