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Finding the Fourth Proportional to 186,994.28, 280,593.50 and 108,262.28

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Solution

The fourth proportional to 186,994.28, 280,593.50 and 108,262.28 is: 162,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,994.28 : 280,593.50 = 108,262.28 : x
  2. Step 2: Convert to fraction form
    186,994.28/280,593.50 = 108,262.28/x
  3. Step 3: Cross multiply
    186,994.28x = 280,593.50 × 108,262.28
  4. Step 4: Simplify right side
    186,994.28x = 30,377,692,063.18
  5. Step 5: Solve for x
    x = 30,377,692,063.18/186,994.28
  6. Step 6: Final answer
    x = 162,452.52

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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.