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Finding the Fourth Proportional to 162,331.92, 223,873.01 and 101,908.20

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Solution

The fourth proportional to 162,331.92, 223,873.01 and 101,908.20 is: 140,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,331.92 : 223,873.01 = 101,908.20 : x
  2. Step 2: Convert to fraction form
    162,331.92/223,873.01 = 101,908.20/x
  3. Step 3: Cross multiply
    162,331.92x = 223,873.01 × 101,908.20
  4. Step 4: Simplify right side
    162,331.92x = 22,814,496,133.41
  5. Step 5: Solve for x
    x = 22,814,496,133.41/162,331.92
  6. Step 6: Final answer
    x = 140,542.27

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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.