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Finding the Fourth Proportional to 63,980.75, 95,893.30 and 45,266.18

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Solution

The fourth proportional to 63,980.75, 95,893.30 and 45,266.18 is: 67,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,980.75 : 95,893.30 = 45,266.18 : x
  2. Step 2: Convert to fraction form
    63,980.75/95,893.30 = 45,266.18/x
  3. Step 3: Cross multiply
    63,980.75x = 95,893.30 × 45,266.18
  4. Step 4: Simplify right side
    63,980.75x = 4,340,723,378.59
  5. Step 5: Solve for x
    x = 4,340,723,378.59/63,980.75
  6. Step 6: Final answer
    x = 67,844.21

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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.