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Finding the Fourth Proportional to 267,614, 369,306.94 and 154,436.76

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Solution

The fourth proportional to 267,614, 369,306.94 and 154,436.76 is: 213,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,614 : 369,306.94 = 154,436.76 : x
  2. Step 2: Convert to fraction form
    267,614/369,306.94 = 154,436.76/x
  3. Step 3: Cross multiply
    267,614x = 369,306.94 × 154,436.76
  4. Step 4: Simplify right side
    267,614x = 57,034,567,259.11
  5. Step 5: Solve for x
    x = 57,034,567,259.11/267,614
  6. Step 6: Final answer
    x = 213,122.51

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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.