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Finding the Fourth Proportional to 267,558.49, 369,247.31 and 148,326.49

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Solution

The fourth proportional to 267,558.49, 369,247.31 and 148,326.49 is: 204,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,558.49 : 369,247.31 = 148,326.49 : x
  2. Step 2: Convert to fraction form
    267,558.49/369,247.31 = 148,326.49/x
  3. Step 3: Cross multiply
    267,558.49x = 369,247.31 × 148,326.49
  4. Step 4: Simplify right side
    267,558.49x = 54,769,156,692.61
  5. Step 5: Solve for x
    x = 54,769,156,692.61/267,558.49
  6. Step 6: Final answer
    x = 204,699.75

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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.