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Finding the Fourth Proportional to 100,364.61, 150,552.60 and 44,231.07

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Solution

The fourth proportional to 100,364.61, 150,552.60 and 44,231.07 is: 66,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,364.61 : 150,552.60 = 44,231.07 : x
  2. Step 2: Convert to fraction form
    100,364.61/150,552.60 = 44,231.07/x
  3. Step 3: Cross multiply
    100,364.61x = 150,552.60 × 44,231.07
  4. Step 4: Simplify right side
    100,364.61x = 6,659,102,589.28
  5. Step 5: Solve for x
    x = 6,659,102,589.28/100,364.61
  6. Step 6: Final answer
    x = 66,349.11

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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.