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Finding the Fourth Proportional to 186,324.86, 279,551.07 and 79,664.87

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Solution

The fourth proportional to 186,324.86, 279,551.07 and 79,664.87 is: 119,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,324.86 : 279,551.07 = 79,664.87 : x
  2. Step 2: Convert to fraction form
    186,324.86/279,551.07 = 79,664.87/x
  3. Step 3: Cross multiply
    186,324.86x = 279,551.07 × 79,664.87
  4. Step 4: Simplify right side
    186,324.86x = 22,270,398,052.99
  5. Step 5: Solve for x
    x = 22,270,398,052.99/186,324.86
  6. Step 6: Final answer
    x = 119,524.57

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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.