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Finding the Fourth Proportional to 181,207.40, 271,811.10 and 106,363.40

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Solution

The fourth proportional to 181,207.40, 271,811.10 and 106,363.40 is: 159,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,207.40 : 271,811.10 = 106,363.40 : x
  2. Step 2: Convert to fraction form
    181,207.40/271,811.10 = 106,363.40/x
  3. Step 3: Cross multiply
    181,207.40x = 271,811.10 × 106,363.40
  4. Step 4: Simplify right side
    181,207.40x = 28,910,752,753.74
  5. Step 5: Solve for x
    x = 28,910,752,753.74/181,207.40
  6. Step 6: Final answer
    x = 159,545.10

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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.