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Finding the Fourth Proportional to 68,080.52, 93,951.06 and 38,272.52

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Solution

The fourth proportional to 68,080.52, 93,951.06 and 38,272.52 is: 52,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,080.52 : 93,951.06 = 38,272.52 : x
  2. Step 2: Convert to fraction form
    68,080.52/93,951.06 = 38,272.52/x
  3. Step 3: Cross multiply
    68,080.52x = 93,951.06 × 38,272.52
  4. Step 4: Simplify right side
    68,080.52x = 3,595,743,822.87
  5. Step 5: Solve for x
    x = 3,595,743,822.87/68,080.52
  6. Step 6: Final answer
    x = 52,816.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.