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Finding the Fourth Proportional to 233,891.04, 350,992.24 and 86,147.04

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Solution

The fourth proportional to 233,891.04, 350,992.24 and 86,147.04 is: 129,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,891.04 : 350,992.24 = 86,147.04 : x
  2. Step 2: Convert to fraction form
    233,891.04/350,992.24 = 86,147.04/x
  3. Step 3: Cross multiply
    233,891.04x = 350,992.24 × 86,147.04
  4. Step 4: Simplify right side
    233,891.04x = 30,236,942,538.97
  5. Step 5: Solve for x
    x = 30,236,942,538.97/233,891.04
  6. Step 6: Final answer
    x = 129,277.90

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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.