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Finding the Fourth Proportional to 354,748.88, 532,108.44 and 165,144.08

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Solution

The fourth proportional to 354,748.88, 532,108.44 and 165,144.08 is: 247,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,748.88 : 532,108.44 = 165,144.08 : x
  2. Step 2: Convert to fraction form
    354,748.88/532,108.44 = 165,144.08/x
  3. Step 3: Cross multiply
    354,748.88x = 532,108.44 × 165,144.08
  4. Step 4: Simplify right side
    354,748.88x = 87,874,560,114.31
  5. Step 5: Solve for x
    x = 87,874,560,114.31/354,748.88
  6. Step 6: Final answer
    x = 247,709.20

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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.