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Finding the Fourth Proportional to 136,684.79, 205,057.22 and 41,927.97

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Solution

The fourth proportional to 136,684.79, 205,057.22 and 41,927.97 is: 62,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,684.79 : 205,057.22 = 41,927.97 : x
  2. Step 2: Convert to fraction form
    136,684.79/205,057.22 = 41,927.97/x
  3. Step 3: Cross multiply
    136,684.79x = 205,057.22 × 41,927.97
  4. Step 4: Simplify right side
    136,684.79x = 8,597,632,758.80
  5. Step 5: Solve for x
    x = 8,597,632,758.80/136,684.79
  6. Step 6: Final answer
    x = 62,901.17

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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.