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Finding the Fourth Proportional to 71,265.66, 106,863.88 and 26,895.86

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Solution

The fourth proportional to 71,265.66, 106,863.88 and 26,895.86 is: 40,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,265.66 : 106,863.88 = 26,895.86 : x
  2. Step 2: Convert to fraction form
    71,265.66/106,863.88 = 26,895.86/x
  3. Step 3: Cross multiply
    71,265.66x = 106,863.88 × 26,895.86
  4. Step 4: Simplify right side
    71,265.66x = 2,874,195,955.54
  5. Step 5: Solve for x
    x = 2,874,195,955.54/71,265.66
  6. Step 6: Final answer
    x = 40,330.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.