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Finding the Fourth Proportional to 188,810.62, 283,132.83 and 100,043.66

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Solution

The fourth proportional to 188,810.62, 283,132.83 and 100,043.66 is: 150,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,810.62 : 283,132.83 = 100,043.66 : x
  2. Step 2: Convert to fraction form
    188,810.62/283,132.83 = 100,043.66/x
  3. Step 3: Cross multiply
    188,810.62x = 283,132.83 × 100,043.66
  4. Step 4: Simplify right side
    188,810.62x = 28,325,644,579.36
  5. Step 5: Solve for x
    x = 28,325,644,579.36/188,810.62
  6. Step 6: Final answer
    x = 150,021.46

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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.