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Finding the Fourth Proportional to 80,670.65, 111,316.46 and 44,858.52

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Solution

The fourth proportional to 80,670.65, 111,316.46 and 44,858.52 is: 61,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,670.65 : 111,316.46 = 44,858.52 : x
  2. Step 2: Convert to fraction form
    80,670.65/111,316.46 = 44,858.52/x
  3. Step 3: Cross multiply
    80,670.65x = 111,316.46 × 44,858.52
  4. Step 4: Simplify right side
    80,670.65x = 4,993,491,422.95
  5. Step 5: Solve for x
    x = 4,993,491,422.95/80,670.65
  6. Step 6: Final answer
    x = 61,899.73

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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.