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Finding the Fourth Proportional to 80,311.42, 110,828.46 and 44,501.32

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Solution

The fourth proportional to 80,311.42, 110,828.46 and 44,501.32 is: 61,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,311.42 : 110,828.46 = 44,501.32 : x
  2. Step 2: Convert to fraction form
    80,311.42/110,828.46 = 44,501.32/x
  3. Step 3: Cross multiply
    80,311.42x = 110,828.46 × 44,501.32
  4. Step 4: Simplify right side
    80,311.42x = 4,932,012,763.57
  5. Step 5: Solve for x
    x = 4,932,012,763.57/80,311.42
  6. Step 6: Final answer
    x = 61,411.10

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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.