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Finding the Fourth Proportional to 220,334.20, 304,062.06 and 119,732.20

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Solution

The fourth proportional to 220,334.20, 304,062.06 and 119,732.20 is: 165,230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,334.20 : 304,062.06 = 119,732.20 : x
  2. Step 2: Convert to fraction form
    220,334.20/304,062.06 = 119,732.20/x
  3. Step 3: Cross multiply
    220,334.20x = 304,062.06 × 119,732.20
  4. Step 4: Simplify right side
    220,334.20x = 36,406,019,380.33
  5. Step 5: Solve for x
    x = 36,406,019,380.33/220,334.20
  6. Step 6: Final answer
    x = 165,230.91

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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.