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Finding the Fourth Proportional to 204,251.79, 306,301.14 and 91,927.47

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Solution

The fourth proportional to 204,251.79, 306,301.14 and 91,927.47 is: 137,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,251.79 : 306,301.14 = 91,927.47 : x
  2. Step 2: Convert to fraction form
    204,251.79/306,301.14 = 91,927.47/x
  3. Step 3: Cross multiply
    204,251.79x = 306,301.14 × 91,927.47
  4. Step 4: Simplify right side
    204,251.79x = 28,157,488,858.32
  5. Step 5: Solve for x
    x = 28,157,488,858.32/204,251.79
  6. Step 6: Final answer
    x = 137,856.75

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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.