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Finding the Fourth Proportional to 130,697.15, 196,027.19 and 41,939.17

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Solution

The fourth proportional to 130,697.15, 196,027.19 and 41,939.17 is: 62,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,697.15 : 196,027.19 = 41,939.17 : x
  2. Step 2: Convert to fraction form
    130,697.15/196,027.19 = 41,939.17/x
  3. Step 3: Cross multiply
    130,697.15x = 196,027.19 × 41,939.17
  4. Step 4: Simplify right side
    130,697.15x = 8,221,217,103.54
  5. Step 5: Solve for x
    x = 8,221,217,103.54/130,697.15
  6. Step 6: Final answer
    x = 62,902.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.