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Finding the Fourth Proportional to 80,389.44, 110,937.42 and 44,584.90

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Solution

The fourth proportional to 80,389.44, 110,937.42 and 44,584.90 is: 61,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,389.44 : 110,937.42 = 44,584.90 : x
  2. Step 2: Convert to fraction form
    80,389.44/110,937.42 = 44,584.90/x
  3. Step 3: Cross multiply
    80,389.44x = 110,937.42 × 44,584.90
  4. Step 4: Simplify right side
    80,389.44x = 4,946,133,776.96
  5. Step 5: Solve for x
    x = 4,946,133,776.96/80,389.44
  6. Step 6: Final answer
    x = 61,527.16

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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.