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Finding the Fourth Proportional to 79,791.40, 119,704.87 and 34,820.02

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Solution

The fourth proportional to 79,791.40, 119,704.87 and 34,820.02 is: 52,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,791.40 : 119,704.87 = 34,820.02 : x
  2. Step 2: Convert to fraction form
    79,791.40/119,704.87 = 34,820.02/x
  3. Step 3: Cross multiply
    79,791.40x = 119,704.87 × 34,820.02
  4. Step 4: Simplify right side
    79,791.40x = 4,168,125,967.50
  5. Step 5: Solve for x
    x = 4,168,125,967.50/79,791.40
  6. Step 6: Final answer
    x = 52,237.78

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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.