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Finding the Fourth Proportional to 204,958.60, 282,799.86 and 124,428.52

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Solution

The fourth proportional to 204,958.60, 282,799.86 and 124,428.52 is: 171,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,958.60 : 282,799.86 = 124,428.52 : x
  2. Step 2: Convert to fraction form
    204,958.60/282,799.86 = 124,428.52/x
  3. Step 3: Cross multiply
    204,958.60x = 282,799.86 × 124,428.52
  4. Step 4: Simplify right side
    204,958.60x = 35,188,368,036.01
  5. Step 5: Solve for x
    x = 35,188,368,036.01/204,958.60
  6. Step 6: Final answer
    x = 171,685.25

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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.