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Finding the Fourth Proportional to 80,536, 111,141.18 and 44,729.32

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Solution

The fourth proportional to 80,536, 111,141.18 and 44,729.32 is: 61,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,536 : 111,141.18 = 44,729.32 : x
  2. Step 2: Convert to fraction form
    80,536/111,141.18 = 44,729.32/x
  3. Step 3: Cross multiply
    80,536x = 111,141.18 × 44,729.32
  4. Step 4: Simplify right side
    80,536x = 4,971,269,405.40
  5. Step 5: Solve for x
    x = 4,971,269,405.40/80,536
  6. Step 6: Final answer
    x = 61,727.29

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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.