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Finding the Fourth Proportional to 107,093.75, 147,789.39 and 59,347.11

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Solution

The fourth proportional to 107,093.75, 147,789.39 and 59,347.11 is: 81,899.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,093.75 : 147,789.39 = 59,347.11 : x
  2. Step 2: Convert to fraction form
    107,093.75/147,789.39 = 59,347.11/x
  3. Step 3: Cross multiply
    107,093.75x = 147,789.39 × 59,347.11
  4. Step 4: Simplify right side
    107,093.75x = 8,770,873,961.92
  5. Step 5: Solve for x
    x = 8,770,873,961.92/107,093.75
  6. Step 6: Final answer
    x = 81,899.03

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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.