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Finding the Fourth Proportional to 101,697.39, 140,351.00 and 58,684.64

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Solution

The fourth proportional to 101,697.39, 140,351.00 and 58,684.64 is: 80,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,697.39 : 140,351.00 = 58,684.64 : x
  2. Step 2: Convert to fraction form
    101,697.39/140,351.00 = 58,684.64/x
  3. Step 3: Cross multiply
    101,697.39x = 140,351.00 × 58,684.64
  4. Step 4: Simplify right side
    101,697.39x = 8,236,446,913.46
  5. Step 5: Solve for x
    x = 8,236,446,913.46/101,697.39
  6. Step 6: Final answer
    x = 80,989.76

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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.