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Finding the Fourth Proportional to 267,628.88, 369,327.86 and 148,396.88

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Solution

The fourth proportional to 267,628.88, 369,327.86 and 148,396.88 is: 204,787.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,628.88 : 369,327.86 = 148,396.88 : x
  2. Step 2: Convert to fraction form
    267,628.88/369,327.86 = 148,396.88/x
  3. Step 3: Cross multiply
    267,628.88x = 369,327.86 × 148,396.88
  4. Step 4: Simplify right side
    267,628.88x = 54,807,099,532.45
  5. Step 5: Solve for x
    x = 54,807,099,532.45/267,628.88
  6. Step 6: Final answer
    x = 204,787.69

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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.