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Finding the Fourth Proportional to 80,394.49, 110,944.68 and 44,587.81

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Solution

The fourth proportional to 80,394.49, 110,944.68 and 44,587.81 is: 61,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,394.49 : 110,944.68 = 44,587.81 : x
  2. Step 2: Convert to fraction form
    80,394.49/110,944.68 = 44,587.81/x
  3. Step 3: Cross multiply
    80,394.49x = 110,944.68 × 44,587.81
  4. Step 4: Simplify right side
    80,394.49x = 4,946,780,312.35
  5. Step 5: Solve for x
    x = 4,946,780,312.35/80,394.49
  6. Step 6: Final answer
    x = 61,531.34

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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.