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Finding the Fourth Proportional to 267,912.18, 369,717.50 and 147,055.52

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Solution

The fourth proportional to 267,912.18, 369,717.50 and 147,055.52 is: 202,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,912.18 : 369,717.50 = 147,055.52 : x
  2. Step 2: Convert to fraction form
    267,912.18/369,717.50 = 147,055.52/x
  3. Step 3: Cross multiply
    267,912.18x = 369,717.50 × 147,055.52
  4. Step 4: Simplify right side
    267,912.18x = 54,369,000,507.53
  5. Step 5: Solve for x
    x = 54,369,000,507.53/267,912.18
  6. Step 6: Final answer
    x = 202,935.90

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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.