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Finding the Fourth Proportional to 71,495.22, 98,666.04 and 43,195.44

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Solution

The fourth proportional to 71,495.22, 98,666.04 and 43,195.44 is: 59,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,495.22 : 98,666.04 = 43,195.44 : x
  2. Step 2: Convert to fraction form
    71,495.22/98,666.04 = 43,195.44/x
  3. Step 3: Cross multiply
    71,495.22x = 98,666.04 × 43,195.44
  4. Step 4: Simplify right side
    71,495.22x = 4,261,923,010.86
  5. Step 5: Solve for x
    x = 4,261,923,010.86/71,495.22
  6. Step 6: Final answer
    x = 59,611.30

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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.