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Finding the Fourth Proportional to 149,346.82, 206,098.53 and 82,278.82

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Solution

The fourth proportional to 149,346.82, 206,098.53 and 82,278.82 is: 113,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,346.82 : 206,098.53 = 82,278.82 : x
  2. Step 2: Convert to fraction form
    149,346.82/206,098.53 = 82,278.82/x
  3. Step 3: Cross multiply
    149,346.82x = 206,098.53 × 82,278.82
  4. Step 4: Simplify right side
    149,346.82x = 16,957,543,852.13
  5. Step 5: Solve for x
    x = 16,957,543,852.13/149,346.82
  6. Step 6: Final answer
    x = 113,544.73

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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.