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Finding the Fourth Proportional to 80,207, 110,684.06 and 44,397

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Solution

The fourth proportional to 80,207, 110,684.06 and 44,397 is: 61,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,207 : 110,684.06 = 44,397 : x
  2. Step 2: Convert to fraction form
    80,207/110,684.06 = 44,397/x
  3. Step 3: Cross multiply
    80,207x = 110,684.06 × 44,397
  4. Step 4: Simplify right side
    80,207x = 4,914,040,211.82
  5. Step 5: Solve for x
    x = 4,914,040,211.82/80,207
  6. Step 6: Final answer
    x = 61,266.97

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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.