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Finding the Fourth Proportional to 225,338.64, 338,124.51 and 99,067.56

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Solution

The fourth proportional to 225,338.64, 338,124.51 and 99,067.56 is: 148,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,338.64 : 338,124.51 = 99,067.56 : x
  2. Step 2: Convert to fraction form
    225,338.64/338,124.51 = 99,067.56/x
  3. Step 3: Cross multiply
    225,338.64x = 338,124.51 × 99,067.56
  4. Step 4: Simplify right side
    225,338.64x = 33,497,170,181.90
  5. Step 5: Solve for x
    x = 33,497,170,181.90/225,338.64
  6. Step 6: Final answer
    x = 148,652.58

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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.