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Finding the Fourth Proportional to 245,043.45, 367,073.10 and 165,327.30

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Solution

The fourth proportional to 245,043.45, 367,073.10 and 165,327.30 is: 247,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,043.45 : 367,073.10 = 165,327.30 : x
  2. Step 2: Convert to fraction form
    245,043.45/367,073.10 = 165,327.30/x
  3. Step 3: Cross multiply
    245,043.45x = 367,073.10 × 165,327.30
  4. Step 4: Simplify right side
    245,043.45x = 60,687,204,525.63
  5. Step 5: Solve for x
    x = 60,687,204,525.63/245,043.45
  6. Step 6: Final answer
    x = 247,658.95

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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.