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Finding the Fourth Proportional to 61,820.26, 92,748.87 and 43,843.12

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Solution

The fourth proportional to 61,820.26, 92,748.87 and 43,843.12 is: 65,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,820.26 : 92,748.87 = 43,843.12 : x
  2. Step 2: Convert to fraction form
    61,820.26/92,748.87 = 43,843.12/x
  3. Step 3: Cross multiply
    61,820.26x = 92,748.87 × 43,843.12
  4. Step 4: Simplify right side
    61,820.26x = 4,066,399,837.27
  5. Step 5: Solve for x
    x = 4,066,399,837.27/61,820.26
  6. Step 6: Final answer
    x = 65,777.79

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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.