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Finding the Fourth Proportional to 101,600.66, 140,195.62 and 58,581.77

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Solution

The fourth proportional to 101,600.66, 140,195.62 and 58,581.77 is: 80,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,600.66 : 140,195.62 = 58,581.77 : x
  2. Step 2: Convert to fraction form
    101,600.66/140,195.62 = 58,581.77/x
  3. Step 3: Cross multiply
    101,600.66x = 140,195.62 × 58,581.77
  4. Step 4: Simplify right side
    101,600.66x = 8,212,907,565.85
  5. Step 5: Solve for x
    x = 8,212,907,565.85/101,600.66
  6. Step 6: Final answer
    x = 80,835.18

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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.