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Finding the Fourth Proportional to 68,147.62, 94,043.70 and 37,932.30

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Solution

The fourth proportional to 68,147.62, 94,043.70 and 37,932.30 is: 52,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,147.62 : 94,043.70 = 37,932.30 : x
  2. Step 2: Convert to fraction form
    68,147.62/94,043.70 = 37,932.30/x
  3. Step 3: Cross multiply
    68,147.62x = 94,043.70 × 37,932.30
  4. Step 4: Simplify right side
    68,147.62x = 3,567,293,371.29
  5. Step 5: Solve for x
    x = 3,567,293,371.29/68,147.62
  6. Step 6: Final answer
    x = 52,346.56

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1.5x scale

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.