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Finding the Fourth Proportional to 267,671.76, 369,387 and 148,439.76

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Solution

The fourth proportional to 267,671.76, 369,387 and 148,439.76 is: 204,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,671.76 : 369,387 = 148,439.76 : x
  2. Step 2: Convert to fraction form
    267,671.76/369,387 = 148,439.76/x
  3. Step 3: Cross multiply
    267,671.76x = 369,387 × 148,439.76
  4. Step 4: Simplify right side
    267,671.76x = 54,831,717,627.12
  5. Step 5: Solve for x
    x = 54,831,717,627.12/267,671.76
  6. Step 6: Final answer
    x = 204,846.85

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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.