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Finding the Fourth Proportional to 79,407.78, 119,101.85 and 23,247.29

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Solution

The fourth proportional to 79,407.78, 119,101.85 and 23,247.29 is: 34,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,407.78 : 119,101.85 = 23,247.29 : x
  2. Step 2: Convert to fraction form
    79,407.78/119,101.85 = 23,247.29/x
  3. Step 3: Cross multiply
    79,407.78x = 119,101.85 × 23,247.29
  4. Step 4: Simplify right side
    79,407.78x = 2,768,794,534.74
  5. Step 5: Solve for x
    x = 2,768,794,534.74/79,407.78
  6. Step 6: Final answer
    x = 34,868.05

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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.