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Finding the Fourth Proportional to 71,219.01, 106,753.19 and 26,826.56

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Solution

The fourth proportional to 71,219.01, 106,753.19 and 26,826.56 is: 40,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,219.01 : 106,753.19 = 26,826.56 : x
  2. Step 2: Convert to fraction form
    71,219.01/106,753.19 = 26,826.56/x
  3. Step 3: Cross multiply
    71,219.01x = 106,753.19 × 26,826.56
  4. Step 4: Simplify right side
    71,219.01x = 2,863,820,188.83
  5. Step 5: Solve for x
    x = 2,863,820,188.83/71,219.01
  6. Step 6: Final answer
    x = 40,211.46

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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.