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Finding the Fourth Proportional to 66,232.80, 99,132 and 36,201.03

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Solution

The fourth proportional to 66,232.80, 99,132 and 36,201.03 is: 54,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.80 : 99,132 = 36,201.03 : x
  2. Step 2: Convert to fraction form
    66,232.80/99,132 = 36,201.03/x
  3. Step 3: Cross multiply
    66,232.80x = 99,132 × 36,201.03
  4. Step 4: Simplify right side
    66,232.80x = 3,588,680,505.96
  5. Step 5: Solve for x
    x = 3,588,680,505.96/66,232.80
  6. Step 6: Final answer
    x = 54,182.83

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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.