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Finding the Fourth Proportional to 225,710.68, 338,538.33 and 130,992.40

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Solution

The fourth proportional to 225,710.68, 338,538.33 and 130,992.40 is: 196,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,710.68 : 338,538.33 = 130,992.40 : x
  2. Step 2: Convert to fraction form
    225,710.68/338,538.33 = 130,992.40/x
  3. Step 3: Cross multiply
    225,710.68x = 338,538.33 × 130,992.40
  4. Step 4: Simplify right side
    225,710.68x = 44,345,948,338.69
  5. Step 5: Solve for x
    x = 44,345,948,338.69/225,710.68
  6. Step 6: Final answer
    x = 196,472.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.