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Finding the Fourth Proportional to 204,561.60, 307,159.20 and 111,249.60

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Solution

The fourth proportional to 204,561.60, 307,159.20 and 111,249.60 is: 167,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,561.60 : 307,159.20 = 111,249.60 : x
  2. Step 2: Convert to fraction form
    204,561.60/307,159.20 = 111,249.60/x
  3. Step 3: Cross multiply
    204,561.60x = 307,159.20 × 111,249.60
  4. Step 4: Simplify right side
    204,561.60x = 34,171,338,136.32
  5. Step 5: Solve for x
    x = 34,171,338,136.32/204,561.60
  6. Step 6: Final answer
    x = 167,046.69

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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.