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Finding the Fourth Proportional to 188,900.02, 283,448.31 and 83,694.25

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Solution

The fourth proportional to 188,900.02, 283,448.31 and 83,694.25 is: 125,584.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,900.02 : 283,448.31 = 83,694.25 : x
  2. Step 2: Convert to fraction form
    188,900.02/283,448.31 = 83,694.25/x
  3. Step 3: Cross multiply
    188,900.02x = 283,448.31 × 83,694.25
  4. Step 4: Simplify right side
    188,900.02x = 23,722,993,719.22
  5. Step 5: Solve for x
    x = 23,722,993,719.22/188,900.02
  6. Step 6: Final answer
    x = 125,584.92

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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.