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Finding the Fourth Proportional to 100,046.60, 149,995.36 and 33,447.32

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Solution

The fourth proportional to 100,046.60, 149,995.36 and 33,447.32 is: 50,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,046.60 : 149,995.36 = 33,447.32 : x
  2. Step 2: Convert to fraction form
    100,046.60/149,995.36 = 33,447.32/x
  3. Step 3: Cross multiply
    100,046.60x = 149,995.36 × 33,447.32
  4. Step 4: Simplify right side
    100,046.60x = 5,016,942,804.44
  5. Step 5: Solve for x
    x = 5,016,942,804.44/100,046.60
  6. Step 6: Final answer
    x = 50,146.06

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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.