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Finding the Fourth Proportional to 270,336.69, 373,048.61 and 149,468.49

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Solution

The fourth proportional to 270,336.69, 373,048.61 and 149,468.49 is: 206,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,336.69 : 373,048.61 = 149,468.49 : x
  2. Step 2: Convert to fraction form
    270,336.69/373,048.61 = 149,468.49/x
  3. Step 3: Cross multiply
    270,336.69x = 373,048.61 × 149,468.49
  4. Step 4: Simplify right side
    270,336.69x = 55,759,011,685.96
  5. Step 5: Solve for x
    x = 55,759,011,685.96/270,336.69
  6. Step 6: Final answer
    x = 206,257.65

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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.