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Finding the Fourth Proportional to 101,040.64, 151,572.66 and 33,578.70

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Solution

The fourth proportional to 101,040.64, 151,572.66 and 33,578.70 is: 50,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,040.64 : 151,572.66 = 33,578.70 : x
  2. Step 2: Convert to fraction form
    101,040.64/151,572.66 = 33,578.70/x
  3. Step 3: Cross multiply
    101,040.64x = 151,572.66 × 33,578.70
  4. Step 4: Simplify right side
    101,040.64x = 5,089,612,878.34
  5. Step 5: Solve for x
    x = 5,089,612,878.34/101,040.64
  6. Step 6: Final answer
    x = 50,371.94

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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.