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Finding the Fourth Proportional to 79,373.91, 119,060.97 and 26,820.30

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Solution

The fourth proportional to 79,373.91, 119,060.97 and 26,820.30 is: 40,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,373.91 : 119,060.97 = 26,820.30 : x
  2. Step 2: Convert to fraction form
    79,373.91/119,060.97 = 26,820.30/x
  3. Step 3: Cross multiply
    79,373.91x = 119,060.97 × 26,820.30
  4. Step 4: Simplify right side
    79,373.91x = 3,193,250,933.69
  5. Step 5: Solve for x
    x = 3,193,250,933.69/79,373.91
  6. Step 6: Final answer
    x = 40,230.49

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Similar ratio
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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.