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Finding the Fourth Proportional to 77,883.10, 107,481.84 and 43,893.02

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Solution

The fourth proportional to 77,883.10, 107,481.84 and 43,893.02 is: 60,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,883.10 : 107,481.84 = 43,893.02 : x
  2. Step 2: Convert to fraction form
    77,883.10/107,481.84 = 43,893.02/x
  3. Step 3: Cross multiply
    77,883.10x = 107,481.84 × 43,893.02
  4. Step 4: Simplify right side
    77,883.10x = 4,717,702,903.76
  5. Step 5: Solve for x
    x = 4,717,702,903.76/77,883.10
  6. Step 6: Final answer
    x = 60,574.15

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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.