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Finding the Fourth Proportional to 267,636, 369,337.68 and 148,404

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Solution

The fourth proportional to 267,636, 369,337.68 and 148,404 is: 204,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,636 : 369,337.68 = 148,404 : x
  2. Step 2: Convert to fraction form
    267,636/369,337.68 = 148,404/x
  3. Step 3: Cross multiply
    267,636x = 369,337.68 × 148,404
  4. Step 4: Simplify right side
    267,636x = 54,811,189,062.72
  5. Step 5: Solve for x
    x = 54,811,189,062.72/267,636
  6. Step 6: Final answer
    x = 204,797.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.