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Finding the Fourth Proportional to 270,335.80, 373,048.32 and 149,469.82

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Solution

The fourth proportional to 270,335.80, 373,048.32 and 149,469.82 is: 206,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,335.80 : 373,048.32 = 149,469.82 : x
  2. Step 2: Convert to fraction form
    270,335.80/373,048.32 = 149,469.82/x
  3. Step 3: Cross multiply
    270,335.80x = 373,048.32 × 149,469.82
  4. Step 4: Simplify right side
    270,335.80x = 55,759,465,241.70
  5. Step 5: Solve for x
    x = 55,759,465,241.70/270,335.80
  6. Step 6: Final answer
    x = 206,260.01

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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.