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Finding the Fourth Proportional to 225,771.20, 338,713.04 and 159,341.07

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Solution

The fourth proportional to 225,771.20, 338,713.04 and 159,341.07 is: 239,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,771.20 : 338,713.04 = 159,341.07 : x
  2. Step 2: Convert to fraction form
    225,771.20/338,713.04 = 159,341.07/x
  3. Step 3: Cross multiply
    225,771.20x = 338,713.04 × 159,341.07
  4. Step 4: Simplify right side
    225,771.20x = 53,970,899,885.08
  5. Step 5: Solve for x
    x = 53,970,899,885.08/225,771.20
  6. Step 6: Final answer
    x = 239,051.31

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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.