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Finding the Fourth Proportional to 220,306.71, 304,024.82 and 119,704.71

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Solution

The fourth proportional to 220,306.71, 304,024.82 and 119,704.71 is: 165,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,306.71 : 304,024.82 = 119,704.71 : x
  2. Step 2: Convert to fraction form
    220,306.71/304,024.82 = 119,704.71/x
  3. Step 3: Cross multiply
    220,306.71x = 304,024.82 × 119,704.71
  4. Step 4: Simplify right side
    220,306.71x = 36,393,202,312.38
  5. Step 5: Solve for x
    x = 36,393,202,312.38/220,306.71
  6. Step 6: Final answer
    x = 165,193.34

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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.