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Finding the Fourth Proportional to 63,218.55, 87,244.10 and 36,361.02

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Solution

The fourth proportional to 63,218.55, 87,244.10 and 36,361.02 is: 50,179.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,218.55 : 87,244.10 = 36,361.02 : x
  2. Step 2: Convert to fraction form
    63,218.55/87,244.10 = 36,361.02/x
  3. Step 3: Cross multiply
    63,218.55x = 87,244.10 × 36,361.02
  4. Step 4: Simplify right side
    63,218.55x = 3,172,284,464.98
  5. Step 5: Solve for x
    x = 3,172,284,464.98/63,218.55
  6. Step 6: Final answer
    x = 50,179.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.