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Finding the Fourth Proportional to 225,036.69, 337,588.59 and 82,871.03

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Solution

The fourth proportional to 225,036.69, 337,588.59 and 82,871.03 is: 124,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,036.69 : 337,588.59 = 82,871.03 : x
  2. Step 2: Convert to fraction form
    225,036.69/337,588.59 = 82,871.03/x
  3. Step 3: Cross multiply
    225,036.69x = 337,588.59 × 82,871.03
  4. Step 4: Simplify right side
    225,036.69x = 27,976,312,481.60
  5. Step 5: Solve for x
    x = 27,976,312,481.60/225,036.69
  6. Step 6: Final answer
    x = 124,318.89

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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.