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Finding the Fourth Proportional to 270,124.62, 372,770.55 and 149,274.30

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Solution

The fourth proportional to 270,124.62, 372,770.55 and 149,274.30 is: 205,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,124.62 : 372,770.55 = 149,274.30 : x
  2. Step 2: Convert to fraction form
    270,124.62/372,770.55 = 149,274.30/x
  3. Step 3: Cross multiply
    270,124.62x = 372,770.55 × 149,274.30
  4. Step 4: Simplify right side
    270,124.62x = 55,645,062,911.87
  5. Step 5: Solve for x
    x = 55,645,062,911.87/270,124.62
  6. Step 6: Final answer
    x = 205,997.75

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1.5x scale

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.