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Finding the Fourth Proportional to 225,821.63, 338,732.60 and 57,354.59

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Solution

The fourth proportional to 225,821.63, 338,732.60 and 57,354.59 is: 86,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,821.63 : 338,732.60 = 57,354.59 : x
  2. Step 2: Convert to fraction form
    225,821.63/338,732.60 = 57,354.59/x
  3. Step 3: Cross multiply
    225,821.63x = 338,732.60 × 57,354.59
  4. Step 4: Simplify right side
    225,821.63x = 19,427,869,952.69
  5. Step 5: Solve for x
    x = 19,427,869,952.69/225,821.63
  6. Step 6: Final answer
    x = 86,031.93

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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.