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Finding the Fourth Proportional to 80,474.28, 111,054.48 and 44,670

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Solution

The fourth proportional to 80,474.28, 111,054.48 and 44,670 is: 61,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474.28 : 111,054.48 = 44,670 : x
  2. Step 2: Convert to fraction form
    80,474.28/111,054.48 = 44,670/x
  3. Step 3: Cross multiply
    80,474.28x = 111,054.48 × 44,670
  4. Step 4: Simplify right side
    80,474.28x = 4,960,803,621.60
  5. Step 5: Solve for x
    x = 4,960,803,621.60/80,474.28
  6. Step 6: Final answer
    x = 61,644.59

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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.