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Finding the Fourth Proportional to 150,954.75, 208,264.46 and 90,544.95

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Solution

The fourth proportional to 150,954.75, 208,264.46 and 90,544.95 is: 124,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,954.75 : 208,264.46 = 90,544.95 : x
  2. Step 2: Convert to fraction form
    150,954.75/208,264.46 = 90,544.95/x
  3. Step 3: Cross multiply
    150,954.75x = 208,264.46 × 90,544.95
  4. Step 4: Simplify right side
    150,954.75x = 18,857,294,664.75
  5. Step 5: Solve for x
    x = 18,857,294,664.75/150,954.75
  6. Step 6: Final answer
    x = 124,920.18

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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.