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Finding the Fourth Proportional to 160,000.92, 220,817.75 and 92,020.46

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Solution

The fourth proportional to 160,000.92, 220,817.75 and 92,020.46 is: 126,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,000.92 : 220,817.75 = 92,020.46 : x
  2. Step 2: Convert to fraction form
    160,000.92/220,817.75 = 92,020.46/x
  3. Step 3: Cross multiply
    160,000.92x = 220,817.75 × 92,020.46
  4. Step 4: Simplify right side
    160,000.92x = 20,319,749,366.97
  5. Step 5: Solve for x
    x = 20,319,749,366.97/160,000.92
  6. Step 6: Final answer
    x = 126,997.70

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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.