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Finding the Fourth Proportional to 71,243.52, 106,841.88 and 26,254.50

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Solution

The fourth proportional to 71,243.52, 106,841.88 and 26,254.50 is: 39,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,243.52 : 106,841.88 = 26,254.50 : x
  2. Step 2: Convert to fraction form
    71,243.52/106,841.88 = 26,254.50/x
  3. Step 3: Cross multiply
    71,243.52x = 106,841.88 × 26,254.50
  4. Step 4: Simplify right side
    71,243.52x = 2,805,080,138.46
  5. Step 5: Solve for x
    x = 2,805,080,138.46/71,243.52
  6. Step 6: Final answer
    x = 39,373.13

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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.