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Finding the Fourth Proportional to 107,092.75, 147,793.89 and 59,345.05

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Solution

The fourth proportional to 107,092.75, 147,793.89 and 59,345.05 is: 81,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,092.75 : 147,793.89 = 59,345.05 : x
  2. Step 2: Convert to fraction form
    107,092.75/147,793.89 = 59,345.05/x
  3. Step 3: Cross multiply
    107,092.75x = 147,793.89 × 59,345.05
  4. Step 4: Simplify right side
    107,092.75x = 8,770,835,791.74
  5. Step 5: Solve for x
    x = 8,770,835,791.74/107,092.75
  6. Step 6: Final answer
    x = 81,899.44

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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.