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Finding the Fourth Proportional to 114,896.92, 158,552.61 and 66,491.17

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Solution

The fourth proportional to 114,896.92, 158,552.61 and 66,491.17 is: 91,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,896.92 : 158,552.61 = 66,491.17 : x
  2. Step 2: Convert to fraction form
    114,896.92/158,552.61 = 66,491.17/x
  3. Step 3: Cross multiply
    114,896.92x = 158,552.61 × 66,491.17
  4. Step 4: Simplify right side
    114,896.92x = 10,542,348,545.45
  5. Step 5: Solve for x
    x = 10,542,348,545.45/114,896.92
  6. Step 6: Final answer
    x = 91,754.84

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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.