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Finding the Fourth Proportional to 186,460.80, 279,523.26 and 68,049.06

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Solution

The fourth proportional to 186,460.80, 279,523.26 and 68,049.06 is: 102,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,460.80 : 279,523.26 = 68,049.06 : x
  2. Step 2: Convert to fraction form
    186,460.80/279,523.26 = 68,049.06/x
  3. Step 3: Cross multiply
    186,460.80x = 279,523.26 × 68,049.06
  4. Step 4: Simplify right side
    186,460.80x = 19,021,295,091.14
  5. Step 5: Solve for x
    x = 19,021,295,091.14/186,460.80
  6. Step 6: Final answer
    x = 102,012.30

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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.