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Finding the Fourth Proportional to 79,704.42, 110,045.04 and 49,534.76

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Solution

The fourth proportional to 79,704.42, 110,045.04 and 49,534.76 is: 68,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,704.42 : 110,045.04 = 49,534.76 : x
  2. Step 2: Convert to fraction form
    79,704.42/110,045.04 = 49,534.76/x
  3. Step 3: Cross multiply
    79,704.42x = 110,045.04 × 49,534.76
  4. Step 4: Simplify right side
    79,704.42x = 5,451,054,645.59
  5. Step 5: Solve for x
    x = 5,451,054,645.59/79,704.42
  6. Step 6: Final answer
    x = 68,390.87

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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.