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Finding the Fourth Proportional to 186,944.62, 280,407.61 and 68,606.65

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Solution

The fourth proportional to 186,944.62, 280,407.61 and 68,606.65 is: 102,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,944.62 : 280,407.61 = 68,606.65 : x
  2. Step 2: Convert to fraction form
    186,944.62/280,407.61 = 68,606.65/x
  3. Step 3: Cross multiply
    186,944.62x = 280,407.61 × 68,606.65
  4. Step 4: Simplify right side
    186,944.62x = 19,237,826,756.61
  5. Step 5: Solve for x
    x = 19,237,826,756.61/186,944.62
  6. Step 6: Final answer
    x = 102,906.55

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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.