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Finding the Fourth Proportional to 225,832.40, 338,748.60 and 92,644.10

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Solution

The fourth proportional to 225,832.40, 338,748.60 and 92,644.10 is: 138,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,832.40 : 338,748.60 = 92,644.10 : x
  2. Step 2: Convert to fraction form
    225,832.40/338,748.60 = 92,644.10/x
  3. Step 3: Cross multiply
    225,832.40x = 338,748.60 × 92,644.10
  4. Step 4: Simplify right side
    225,832.40x = 31,383,059,173.26
  5. Step 5: Solve for x
    x = 31,383,059,173.26/225,832.40
  6. Step 6: Final answer
    x = 138,966.15

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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.