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Finding the Fourth Proportional to 80,472.07, 111,049.34 and 44,661.16

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Solution

The fourth proportional to 80,472.07, 111,049.34 and 44,661.16 is: 61,631.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,472.07 : 111,049.34 = 44,661.16 : x
  2. Step 2: Convert to fraction form
    80,472.07/111,049.34 = 44,661.16/x
  3. Step 3: Cross multiply
    80,472.07x = 111,049.34 × 44,661.16
  4. Step 4: Simplify right side
    80,472.07x = 4,959,592,341.63
  5. Step 5: Solve for x
    x = 4,959,592,341.63/80,472.07
  6. Step 6: Final answer
    x = 61,631.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.