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Finding the Fourth Proportional to 255,616.12, 352,751.64 and 148,249.82

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Solution

The fourth proportional to 255,616.12, 352,751.64 and 148,249.82 is: 204,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,616.12 : 352,751.64 = 148,249.82 : x
  2. Step 2: Convert to fraction form
    255,616.12/352,751.64 = 148,249.82/x
  3. Step 3: Cross multiply
    255,616.12x = 352,751.64 × 148,249.82
  4. Step 4: Simplify right side
    255,616.12x = 52,295,367,134.70
  5. Step 5: Solve for x
    x = 52,295,367,134.70/255,616.12
  6. Step 6: Final answer
    x = 204,585.56

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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.