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Finding the Fourth Proportional to 94,993.52, 142,437.60 and 38,873

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Solution

The fourth proportional to 94,993.52, 142,437.60 and 38,873 is: 58,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,993.52 : 142,437.60 = 38,873 : x
  2. Step 2: Convert to fraction form
    94,993.52/142,437.60 = 38,873/x
  3. Step 3: Cross multiply
    94,993.52x = 142,437.60 × 38,873
  4. Step 4: Simplify right side
    94,993.52x = 5,536,976,824.80
  5. Step 5: Solve for x
    x = 5,536,976,824.80/94,993.52
  6. Step 6: Final answer
    x = 58,287.94

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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.