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Finding the Fourth Proportional to 225,935.33, 338,903.60 and 92,722.12

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Solution

The fourth proportional to 225,935.33, 338,903.60 and 92,722.12 is: 139,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,935.33 : 338,903.60 = 92,722.12 : x
  2. Step 2: Convert to fraction form
    225,935.33/338,903.60 = 92,722.12/x
  3. Step 3: Cross multiply
    225,935.33x = 338,903.60 × 92,722.12
  4. Step 4: Simplify right side
    225,935.33x = 31,423,858,956.76
  5. Step 5: Solve for x
    x = 31,423,858,956.76/225,935.33
  6. Step 6: Final answer
    x = 139,083.43

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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.