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Finding the Fourth Proportional to 71,263.52, 106,910.56 and 26,285.04

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Solution

The fourth proportional to 71,263.52, 106,910.56 and 26,285.04 is: 39,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,263.52 : 106,910.56 = 26,285.04 : x
  2. Step 2: Convert to fraction form
    71,263.52/106,910.56 = 26,285.04/x
  3. Step 3: Cross multiply
    71,263.52x = 106,910.56 × 26,285.04
  4. Step 4: Simplify right side
    71,263.52x = 2,810,148,346.02
  5. Step 5: Solve for x
    x = 2,810,148,346.02/71,263.52
  6. Step 6: Final answer
    x = 39,433.20

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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.