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Finding the Fourth Proportional to 71,242.52, 106,840.38 and 26,253.50

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Solution

The fourth proportional to 71,242.52, 106,840.38 and 26,253.50 is: 39,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,242.52 : 106,840.38 = 26,253.50 : x
  2. Step 2: Convert to fraction form
    71,242.52/106,840.38 = 26,253.50/x
  3. Step 3: Cross multiply
    71,242.52x = 106,840.38 × 26,253.50
  4. Step 4: Simplify right side
    71,242.52x = 2,804,933,916.33
  5. Step 5: Solve for x
    x = 2,804,933,916.33/71,242.52
  6. Step 6: Final answer
    x = 39,371.63

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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.