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Finding the Fourth Proportional to 225,822.47, 338,438.41 and 92,546.69

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Solution

The fourth proportional to 225,822.47, 338,438.41 and 92,546.69 is: 138,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,822.47 : 338,438.41 = 92,546.69 : x
  2. Step 2: Convert to fraction form
    225,822.47/338,438.41 = 92,546.69/x
  3. Step 3: Cross multiply
    225,822.47x = 338,438.41 × 92,546.69
  4. Step 4: Simplify right side
    225,822.47x = 31,321,352,690.80
  5. Step 5: Solve for x
    x = 31,321,352,690.80/225,822.47
  6. Step 6: Final answer
    x = 138,699.01

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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.