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Finding the Fourth Proportional to 192,351, 265,439.52 and 107,468.70

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Solution

The fourth proportional to 192,351, 265,439.52 and 107,468.70 is: 148,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,351 : 265,439.52 = 107,468.70 : x
  2. Step 2: Convert to fraction form
    192,351/265,439.52 = 107,468.70/x
  3. Step 3: Cross multiply
    192,351x = 265,439.52 × 107,468.70
  4. Step 4: Simplify right side
    192,351x = 28,526,440,143.02
  5. Step 5: Solve for x
    x = 28,526,440,143.02/192,351
  6. Step 6: Final answer
    x = 148,304.09

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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.