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Finding the Fourth Proportional to 79,982, 110,375.16 and 44,654

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Solution

The fourth proportional to 79,982, 110,375.16 and 44,654 is: 61,622.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,982 : 110,375.16 = 44,654 : x
  2. Step 2: Convert to fraction form
    79,982/110,375.16 = 44,654/x
  3. Step 3: Cross multiply
    79,982x = 110,375.16 × 44,654
  4. Step 4: Simplify right side
    79,982x = 4,928,692,394.64
  5. Step 5: Solve for x
    x = 4,928,692,394.64/79,982
  6. Step 6: Final answer
    x = 61,622.52

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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.