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Finding the Fourth Proportional to 267,687.61, 369,409.50 and 154,510.27

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Solution

The fourth proportional to 267,687.61, 369,409.50 and 154,510.27 is: 213,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,687.61 : 369,409.50 = 154,510.27 : x
  2. Step 2: Convert to fraction form
    267,687.61/369,409.50 = 154,510.27/x
  3. Step 3: Cross multiply
    267,687.61x = 369,409.50 × 154,510.27
  4. Step 4: Simplify right side
    267,687.61x = 57,077,558,965.97
  5. Step 5: Solve for x
    x = 57,077,558,965.97/267,687.61
  6. Step 6: Final answer
    x = 213,224.51

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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.