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Finding the Fourth Proportional to 220,512.54, 304,306.56 and 119,910.54

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Solution

The fourth proportional to 220,512.54, 304,306.56 and 119,910.54 is: 165,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,512.54 : 304,306.56 = 119,910.54 : x
  2. Step 2: Convert to fraction form
    220,512.54/304,306.56 = 119,910.54/x
  3. Step 3: Cross multiply
    220,512.54x = 304,306.56 × 119,910.54
  4. Step 4: Simplify right side
    220,512.54x = 36,489,563,935.14
  5. Step 5: Solve for x
    x = 36,489,563,935.14/220,512.54
  6. Step 6: Final answer
    x = 165,476.14

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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.