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Finding the Fourth Proportional to 186,703.80, 279,537.30 and 181,519.80

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Solution

The fourth proportional to 186,703.80, 279,537.30 and 181,519.80 is: 271,775.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,703.80 : 279,537.30 = 181,519.80 : x
  2. Step 2: Convert to fraction form
    186,703.80/279,537.30 = 181,519.80/x
  3. Step 3: Cross multiply
    186,703.80x = 279,537.30 × 181,519.80
  4. Step 4: Simplify right side
    186,703.80x = 50,741,554,788.54
  5. Step 5: Solve for x
    x = 50,741,554,788.54/186,703.80
  6. Step 6: Final answer
    x = 271,775.69

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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.