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Finding the Fourth Proportional to 100,017.30, 150,040.86 and 36,832.56

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Solution

The fourth proportional to 100,017.30, 150,040.86 and 36,832.56 is: 55,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,017.30 : 150,040.86 = 36,832.56 : x
  2. Step 2: Convert to fraction form
    100,017.30/150,040.86 = 36,832.56/x
  3. Step 3: Cross multiply
    100,017.30x = 150,040.86 × 36,832.56
  4. Step 4: Simplify right side
    100,017.30x = 5,526,388,978.40
  5. Step 5: Solve for x
    x = 5,526,388,978.40/100,017.30
  6. Step 6: Final answer
    x = 55,254.33

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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.