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Finding the Fourth Proportional to 100,045.66, 150,076.39 and 33,486.04

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Solution

The fourth proportional to 100,045.66, 150,076.39 and 33,486.04 is: 50,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,045.66 : 150,076.39 = 33,486.04 : x
  2. Step 2: Convert to fraction form
    100,045.66/150,076.39 = 33,486.04/x
  3. Step 3: Cross multiply
    100,045.66x = 150,076.39 × 33,486.04
  4. Step 4: Simplify right side
    100,045.66x = 5,025,463,998.60
  5. Step 5: Solve for x
    x = 5,025,463,998.60/100,045.66
  6. Step 6: Final answer
    x = 50,231.70

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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.