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Finding the Fourth Proportional to 137,398.92, 206,096.22 and 100,195.08

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Solution

The fourth proportional to 137,398.92, 206,096.22 and 100,195.08 is: 150,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,398.92 : 206,096.22 = 100,195.08 : x
  2. Step 2: Convert to fraction form
    137,398.92/206,096.22 = 100,195.08/x
  3. Step 3: Cross multiply
    137,398.92x = 206,096.22 × 100,195.08
  4. Step 4: Simplify right side
    137,398.92x = 20,649,827,250.60
  5. Step 5: Solve for x
    x = 20,649,827,250.60/137,398.92
  6. Step 6: Final answer
    x = 150,291.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.