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Finding the Fourth Proportional to 63,941.60, 95,782.80 and 36,207.20

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Solution

The fourth proportional to 63,941.60, 95,782.80 and 36,207.20 is: 54,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,941.60 : 95,782.80 = 36,207.20 : x
  2. Step 2: Convert to fraction form
    63,941.60/95,782.80 = 36,207.20/x
  3. Step 3: Cross multiply
    63,941.60x = 95,782.80 × 36,207.20
  4. Step 4: Simplify right side
    63,941.60x = 3,468,026,996.16
  5. Step 5: Solve for x
    x = 3,468,026,996.16/63,941.60
  6. Step 6: Final answer
    x = 54,237.41

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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.