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Finding the Fourth Proportional to 186,065.92, 279,191.16 and 73,743.70

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Solution

The fourth proportional to 186,065.92, 279,191.16 and 73,743.70 is: 110,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,065.92 : 279,191.16 = 73,743.70 : x
  2. Step 2: Convert to fraction form
    186,065.92/279,191.16 = 73,743.70/x
  3. Step 3: Cross multiply
    186,065.92x = 279,191.16 × 73,743.70
  4. Step 4: Simplify right side
    186,065.92x = 20,588,589,145.69
  5. Step 5: Solve for x
    x = 20,588,589,145.69/186,065.92
  6. Step 6: Final answer
    x = 110,652.12

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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.