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Finding the Fourth Proportional to 267,704.04, 369,431.56 and 154,526.79

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Solution

The fourth proportional to 267,704.04, 369,431.56 and 154,526.79 is: 213,246.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,704.04 : 369,431.56 = 154,526.79 : x
  2. Step 2: Convert to fraction form
    267,704.04/369,431.56 = 154,526.79/x
  3. Step 3: Cross multiply
    267,704.04x = 369,431.56 × 154,526.79
  4. Step 4: Simplify right side
    267,704.04x = 57,087,073,091.49
  5. Step 5: Solve for x
    x = 57,087,073,091.49/267,704.04
  6. Step 6: Final answer
    x = 213,246.96

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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.