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Finding the Fourth Proportional to 199,248, 274,960.46 and 108,603.96

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Solution

The fourth proportional to 199,248, 274,960.46 and 108,603.96 is: 149,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,248 : 274,960.46 = 108,603.96 : x
  2. Step 2: Convert to fraction form
    199,248/274,960.46 = 108,603.96/x
  3. Step 3: Cross multiply
    199,248x = 274,960.46 × 108,603.96
  4. Step 4: Simplify right side
    199,248x = 29,861,794,799.42
  5. Step 5: Solve for x
    x = 29,861,794,799.42/199,248
  6. Step 6: Final answer
    x = 149,872.49

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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.