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Finding the Fourth Proportional to 186,253.73, 279,422.25 and 67,925.08

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Solution

The fourth proportional to 186,253.73, 279,422.25 and 67,925.08 is: 101,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,253.73 : 279,422.25 = 67,925.08 : x
  2. Step 2: Convert to fraction form
    186,253.73/279,422.25 = 67,925.08/x
  3. Step 3: Cross multiply
    186,253.73x = 279,422.25 × 67,925.08
  4. Step 4: Simplify right side
    186,253.73x = 18,979,777,986.47
  5. Step 5: Solve for x
    x = 18,979,777,986.47/186,253.73
  6. Step 6: Final answer
    x = 101,902.81

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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.