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Finding the Fourth Proportional to 100,190.23, 150,311.48 and 44,041.40

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Solution

The fourth proportional to 100,190.23, 150,311.48 and 44,041.40 is: 66,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,190.23 : 150,311.48 = 44,041.40 : x
  2. Step 2: Convert to fraction form
    100,190.23/150,311.48 = 44,041.40/x
  3. Step 3: Cross multiply
    100,190.23x = 150,311.48 × 44,041.40
  4. Step 4: Simplify right side
    100,190.23x = 6,619,927,617.96
  5. Step 5: Solve for x
    x = 6,619,927,617.96/100,190.23
  6. Step 6: Final answer
    x = 66,073.59

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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.