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Finding the Fourth Proportional to 100,566.97, 150,850.31 and 25,687.19

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Solution

The fourth proportional to 100,566.97, 150,850.31 and 25,687.19 is: 38,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,566.97 : 150,850.31 = 25,687.19 : x
  2. Step 2: Convert to fraction form
    100,566.97/150,850.31 = 25,687.19/x
  3. Step 3: Cross multiply
    100,566.97x = 150,850.31 × 25,687.19
  4. Step 4: Simplify right side
    100,566.97x = 3,874,920,574.53
  5. Step 5: Solve for x
    x = 3,874,920,574.53/100,566.97
  6. Step 6: Final answer
    x = 38,530.75

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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.