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Finding the Fourth Proportional to 186,222.33, 279,213.29 and 79,675.80

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Solution

The fourth proportional to 186,222.33, 279,213.29 and 79,675.80 is: 119,462.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,222.33 : 279,213.29 = 79,675.80 : x
  2. Step 2: Convert to fraction form
    186,222.33/279,213.29 = 79,675.80/x
  3. Step 3: Cross multiply
    186,222.33x = 279,213.29 × 79,675.80
  4. Step 4: Simplify right side
    186,222.33x = 22,246,541,853.00
  5. Step 5: Solve for x
    x = 22,246,541,853.00/186,222.33
  6. Step 6: Final answer
    x = 119,462.27

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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.