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Finding the Fourth Proportional to 188,791.40, 283,187.10 and 64,132.40

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Solution

The fourth proportional to 188,791.40, 283,187.10 and 64,132.40 is: 96,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,791.40 : 283,187.10 = 64,132.40 : x
  2. Step 2: Convert to fraction form
    188,791.40/283,187.10 = 64,132.40/x
  3. Step 3: Cross multiply
    188,791.40x = 283,187.10 × 64,132.40
  4. Step 4: Simplify right side
    188,791.40x = 18,161,468,372.04
  5. Step 5: Solve for x
    x = 18,161,468,372.04/188,791.40
  6. Step 6: Final answer
    x = 96,198.60

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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.