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Finding the Fourth Proportional to 267,936, 369,751.68 and 148,704

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Solution

The fourth proportional to 267,936, 369,751.68 and 148,704 is: 205,211.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,936 : 369,751.68 = 148,704 : x
  2. Step 2: Convert to fraction form
    267,936/369,751.68 = 148,704/x
  3. Step 3: Cross multiply
    267,936x = 369,751.68 × 148,704
  4. Step 4: Simplify right side
    267,936x = 54,983,553,822.72
  5. Step 5: Solve for x
    x = 54,983,553,822.72/267,936
  6. Step 6: Final answer
    x = 205,211.52

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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.