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Finding the Fourth Proportional to 186,585.96, 279,922.68 and 74,273.04

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Solution

The fourth proportional to 186,585.96, 279,922.68 and 74,273.04 is: 111,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,585.96 : 279,922.68 = 74,273.04 : x
  2. Step 2: Convert to fraction form
    186,585.96/279,922.68 = 74,273.04/x
  3. Step 3: Cross multiply
    186,585.96x = 279,922.68 × 74,273.04
  4. Step 4: Simplify right side
    186,585.96x = 20,790,708,408.55
  5. Step 5: Solve for x
    x = 20,790,708,408.55/186,585.96
  6. Step 6: Final answer
    x = 111,426.97

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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.