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Finding the Fourth Proportional to 160,001.92, 220,819.13 and 92,021.46

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Solution

The fourth proportional to 160,001.92, 220,819.13 and 92,021.46 is: 126,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,001.92 : 220,819.13 = 92,021.46 : x
  2. Step 2: Convert to fraction form
    160,001.92/220,819.13 = 92,021.46/x
  3. Step 3: Cross multiply
    160,001.92x = 220,819.13 × 92,021.46
  4. Step 4: Simplify right side
    160,001.92x = 20,320,098,738.53
  5. Step 5: Solve for x
    x = 20,320,098,738.53/160,001.92
  6. Step 6: Final answer
    x = 126,999.09

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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.