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Finding the Fourth Proportional to 72,049.30, 108,027.68 and 29,958.66

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Solution

The fourth proportional to 72,049.30, 108,027.68 and 29,958.66 is: 44,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,049.30 : 108,027.68 = 29,958.66 : x
  2. Step 2: Convert to fraction form
    72,049.30/108,027.68 = 29,958.66/x
  3. Step 3: Cross multiply
    72,049.30x = 108,027.68 × 29,958.66
  4. Step 4: Simplify right side
    72,049.30x = 3,236,364,385.92
  5. Step 5: Solve for x
    x = 3,236,364,385.92/72,049.30
  6. Step 6: Final answer
    x = 44,918.75

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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.