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Finding the Fourth Proportional to 186,737.48, 279,694.73 and 154,348.82

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Solution

The fourth proportional to 186,737.48, 279,694.73 and 154,348.82 is: 231,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,737.48 : 279,694.73 = 154,348.82 : x
  2. Step 2: Convert to fraction form
    186,737.48/279,694.73 = 154,348.82/x
  3. Step 3: Cross multiply
    186,737.48x = 279,694.73 × 154,348.82
  4. Step 4: Simplify right side
    186,737.48x = 43,170,550,523.12
  5. Step 5: Solve for x
    x = 43,170,550,523.12/186,737.48
  6. Step 6: Final answer
    x = 231,183.11

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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.