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Finding the Fourth Proportional to 100,960.95, 151,511.67 and 41,796.93

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Solution

The fourth proportional to 100,960.95, 151,511.67 and 41,796.93 is: 62,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,960.95 : 151,511.67 = 41,796.93 : x
  2. Step 2: Convert to fraction form
    100,960.95/151,511.67 = 41,796.93/x
  3. Step 3: Cross multiply
    100,960.95x = 151,511.67 × 41,796.93
  4. Step 4: Simplify right side
    100,960.95x = 6,332,722,665.17
  5. Step 5: Solve for x
    x = 6,332,722,665.17/100,960.95
  6. Step 6: Final answer
    x = 62,724.48

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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.