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Finding the Fourth Proportional to 267,980.36, 369,813.92 and 147,134.04

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Solution

The fourth proportional to 267,980.36, 369,813.92 and 147,134.04 is: 203,045.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,980.36 : 369,813.92 = 147,134.04 : x
  2. Step 2: Convert to fraction form
    267,980.36/369,813.92 = 147,134.04/x
  3. Step 3: Cross multiply
    267,980.36x = 369,813.92 × 147,134.04
  4. Step 4: Simplify right side
    267,980.36x = 54,412,216,097.84
  5. Step 5: Solve for x
    x = 54,412,216,097.84/267,980.36
  6. Step 6: Final answer
    x = 203,045.54

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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.