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Finding the Fourth Proportional to 225,469.08, 338,218.16 and 75,703.32

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Solution

The fourth proportional to 225,469.08, 338,218.16 and 75,703.32 is: 113,559.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,469.08 : 338,218.16 = 75,703.32 : x
  2. Step 2: Convert to fraction form
    225,469.08/338,218.16 = 75,703.32/x
  3. Step 3: Cross multiply
    225,469.08x = 338,218.16 × 75,703.32
  4. Step 4: Simplify right side
    225,469.08x = 25,604,237,596.29
  5. Step 5: Solve for x
    x = 25,604,237,596.29/225,469.08
  6. Step 6: Final answer
    x = 113,559.86

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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.