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Finding the Fourth Proportional to 61,846, 85,313.46 and 43,967.68

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Solution

The fourth proportional to 61,846, 85,313.46 and 43,967.68 is: 60,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,846 : 85,313.46 = 43,967.68 : x
  2. Step 2: Convert to fraction form
    61,846/85,313.46 = 43,967.68/x
  3. Step 3: Cross multiply
    61,846x = 85,313.46 × 43,967.68
  4. Step 4: Simplify right side
    61,846x = 3,751,034,908.97
  5. Step 5: Solve for x
    x = 3,751,034,908.97/61,846
  6. Step 6: Final answer
    x = 60,651.21

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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.