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Finding the Fourth Proportional to 186,253.62, 279,422.07 and 67,924.95

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Solution

The fourth proportional to 186,253.62, 279,422.07 and 67,924.95 is: 101,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,253.62 : 279,422.07 = 67,924.95 : x
  2. Step 2: Convert to fraction form
    186,253.62/279,422.07 = 67,924.95/x
  3. Step 3: Cross multiply
    186,253.62x = 279,422.07 × 67,924.95
  4. Step 4: Simplify right side
    186,253.62x = 18,979,730,133.65
  5. Step 5: Solve for x
    x = 18,979,730,133.65/186,253.62
  6. Step 6: Final answer
    x = 101,902.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.