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Finding the Fourth Proportional to 135,934.20, 203,901.30 and 123,468.30

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Solution

The fourth proportional to 135,934.20, 203,901.30 and 123,468.30 is: 185,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,934.20 : 203,901.30 = 123,468.30 : x
  2. Step 2: Convert to fraction form
    135,934.20/203,901.30 = 123,468.30/x
  3. Step 3: Cross multiply
    135,934.20x = 203,901.30 × 123,468.30
  4. Step 4: Simplify right side
    135,934.20x = 25,175,346,878.79
  5. Step 5: Solve for x
    x = 25,175,346,878.79/135,934.20
  6. Step 6: Final answer
    x = 185,202.45

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1.5x scale

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.