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Finding the Fourth Proportional to 225,305.99, 338,083.53 and 92,279.60

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Solution

The fourth proportional to 225,305.99, 338,083.53 and 92,279.60 is: 138,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,305.99 : 338,083.53 = 92,279.60 : x
  2. Step 2: Convert to fraction form
    225,305.99/338,083.53 = 92,279.60/x
  3. Step 3: Cross multiply
    225,305.99x = 338,083.53 × 92,279.60
  4. Step 4: Simplify right side
    225,305.99x = 31,198,212,914.99
  5. Step 5: Solve for x
    x = 31,198,212,914.99/225,305.99
  6. Step 6: Final answer
    x = 138,470.41

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1.5x scale

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.