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Finding the Fourth Proportional to 220,024.84, 303,639.78 and 119,422.60

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Solution

The fourth proportional to 220,024.84, 303,639.78 and 119,422.60 is: 164,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,024.84 : 303,639.78 = 119,422.60 : x
  2. Step 2: Convert to fraction form
    220,024.84/303,639.78 = 119,422.60/x
  3. Step 3: Cross multiply
    220,024.84x = 303,639.78 × 119,422.60
  4. Step 4: Simplify right side
    220,024.84x = 36,261,451,991.03
  5. Step 5: Solve for x
    x = 36,261,451,991.03/220,024.84
  6. Step 6: Final answer
    x = 164,806.17

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1.5x scale

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.