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Finding the Fourth Proportional to 80,165.26, 110,631.32 and 44,354.69

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Solution

The fourth proportional to 80,165.26, 110,631.32 and 44,354.69 is: 61,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,165.26 : 110,631.32 = 44,354.69 : x
  2. Step 2: Convert to fraction form
    80,165.26/110,631.32 = 44,354.69/x
  3. Step 3: Cross multiply
    80,165.26x = 110,631.32 × 44,354.69
  4. Step 4: Simplify right side
    80,165.26x = 4,907,017,902.89
  5. Step 5: Solve for x
    x = 4,907,017,902.89/80,165.26
  6. Step 6: Final answer
    x = 61,211.28

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1.5x scale

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.