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Finding the Fourth Proportional to 66,835.16, 100,245.67 and 35,232.56

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Solution

The fourth proportional to 66,835.16, 100,245.67 and 35,232.56 is: 52,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,835.16 : 100,245.67 = 35,232.56 : x
  2. Step 2: Convert to fraction form
    66,835.16/100,245.67 = 35,232.56/x
  3. Step 3: Cross multiply
    66,835.16x = 100,245.67 × 35,232.56
  4. Step 4: Simplify right side
    66,835.16x = 3,531,910,993.71
  5. Step 5: Solve for x
    x = 3,531,910,993.71/66,835.16
  6. Step 6: Final answer
    x = 52,845.11

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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.