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Finding the Fourth Proportional to 79,774.32, 119,621.52 and 44,704.56

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Solution

The fourth proportional to 79,774.32, 119,621.52 and 44,704.56 is: 67,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,774.32 : 119,621.52 = 44,704.56 : x
  2. Step 2: Convert to fraction form
    79,774.32/119,621.52 = 44,704.56/x
  3. Step 3: Cross multiply
    79,774.32x = 119,621.52 × 44,704.56
  4. Step 4: Simplify right side
    79,774.32x = 5,347,627,418.13
  5. Step 5: Solve for x
    x = 5,347,627,418.13/79,774.32
  6. Step 6: Final answer
    x = 67,034.45

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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.