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Finding the Fourth Proportional to 225,448.94, 338,297.88 and 125,665.32

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Solution

The fourth proportional to 225,448.94, 338,297.88 and 125,665.32 is: 188,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,448.94 : 338,297.88 = 125,665.32 : x
  2. Step 2: Convert to fraction form
    225,448.94/338,297.88 = 125,665.32/x
  3. Step 3: Cross multiply
    225,448.94x = 338,297.88 × 125,665.32
  4. Step 4: Simplify right side
    225,448.94x = 42,512,311,345.52
  5. Step 5: Solve for x
    x = 42,512,311,345.52/225,448.94
  6. Step 6: Final answer
    x = 188,567.36

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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.