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Finding the Fourth Proportional to 225,154.37, 338,117.93 and 199,910.93

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Solution

The fourth proportional to 225,154.37, 338,117.93 and 199,910.93 is: 300,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,154.37 : 338,117.93 = 199,910.93 : x
  2. Step 2: Convert to fraction form
    225,154.37/338,117.93 = 199,910.93/x
  3. Step 3: Cross multiply
    225,154.37x = 338,117.93 × 199,910.93
  4. Step 4: Simplify right side
    225,154.37x = 67,593,467,145.83
  5. Step 5: Solve for x
    x = 67,593,467,145.83/225,154.37
  6. Step 6: Final answer
    x = 300,209.45

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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.