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Finding the Fourth Proportional to 267,306, 368,882.28 and 148,074

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Solution

The fourth proportional to 267,306, 368,882.28 and 148,074 is: 204,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,306 : 368,882.28 = 148,074 : x
  2. Step 2: Convert to fraction form
    267,306/368,882.28 = 148,074/x
  3. Step 3: Cross multiply
    267,306x = 368,882.28 × 148,074
  4. Step 4: Simplify right side
    267,306x = 54,621,874,728.72
  5. Step 5: Solve for x
    x = 54,621,874,728.72/267,306
  6. Step 6: Final answer
    x = 204,342.12

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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.