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Finding the Fourth Proportional to 225,600.96, 311,329.80 and 124,998.96

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Solution

The fourth proportional to 225,600.96, 311,329.80 and 124,998.96 is: 172,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,600.96 : 311,329.80 = 124,998.96 : x
  2. Step 2: Convert to fraction form
    225,600.96/311,329.80 = 124,998.96/x
  3. Step 3: Cross multiply
    225,600.96x = 311,329.80 × 124,998.96
  4. Step 4: Simplify right side
    225,600.96x = 38,915,901,217.01
  5. Step 5: Solve for x
    x = 38,915,901,217.01/225,600.96
  6. Step 6: Final answer
    x = 172,498.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.