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Finding the Fourth Proportional to 186,446.79, 279,914.09 and 110,683.64

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Solution

The fourth proportional to 186,446.79, 279,914.09 and 110,683.64 is: 166,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,446.79 : 279,914.09 = 110,683.64 : x
  2. Step 2: Convert to fraction form
    186,446.79/279,914.09 = 110,683.64/x
  3. Step 3: Cross multiply
    186,446.79x = 279,914.09 × 110,683.64
  4. Step 4: Simplify right side
    186,446.79x = 30,981,910,368.49
  5. Step 5: Solve for x
    x = 30,981,910,368.49/186,446.79
  6. Step 6: Final answer
    x = 166,170.25

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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.