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Finding the Fourth Proportional to 123,481.79, 185,201.16 and 34,714.20

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Solution

The fourth proportional to 123,481.79, 185,201.16 and 34,714.20 is: 52,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,481.79 : 185,201.16 = 34,714.20 : x
  2. Step 2: Convert to fraction form
    123,481.79/185,201.16 = 34,714.20/x
  3. Step 3: Cross multiply
    123,481.79x = 185,201.16 × 34,714.20
  4. Step 4: Simplify right side
    123,481.79x = 6,429,109,207.80
  5. Step 5: Solve for x
    x = 6,429,109,207.80/123,481.79
  6. Step 6: Final answer
    x = 52,065.24

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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.