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Finding the Fourth Proportional to 70,892.20, 106,207.10 and 41,324.20

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Solution

The fourth proportional to 70,892.20, 106,207.10 and 41,324.20 is: 61,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,892.20 : 106,207.10 = 41,324.20 : x
  2. Step 2: Convert to fraction form
    70,892.20/106,207.10 = 41,324.20/x
  3. Step 3: Cross multiply
    70,892.20x = 106,207.10 × 41,324.20
  4. Step 4: Simplify right side
    70,892.20x = 4,388,923,441.82
  5. Step 5: Solve for x
    x = 4,388,923,441.82/70,892.20
  6. Step 6: Final answer
    x = 61,909.82

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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.