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Finding the Fourth Proportional to 101,584.86, 140,187.51 and 59,172.54

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Solution

The fourth proportional to 101,584.86, 140,187.51 and 59,172.54 is: 81,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,584.86 : 140,187.51 = 59,172.54 : x
  2. Step 2: Convert to fraction form
    101,584.86/140,187.51 = 59,172.54/x
  3. Step 3: Cross multiply
    101,584.86x = 140,187.51 × 59,172.54
  4. Step 4: Simplify right side
    101,584.86x = 8,295,251,042.98
  5. Step 5: Solve for x
    x = 8,295,251,042.98/101,584.86
  6. Step 6: Final answer
    x = 81,658.34

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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.