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Finding the Fourth Proportional to 220,190.71, 303,864.74 and 119,588.71

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Solution

The fourth proportional to 220,190.71, 303,864.74 and 119,588.71 is: 165,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,190.71 : 303,864.74 = 119,588.71 : x
  2. Step 2: Convert to fraction form
    220,190.71/303,864.74 = 119,588.71/x
  3. Step 3: Cross multiply
    220,190.71x = 303,864.74 × 119,588.71
  4. Step 4: Simplify right side
    220,190.71x = 36,338,791,673.14
  5. Step 5: Solve for x
    x = 36,338,791,673.14/220,190.71
  6. Step 6: Final answer
    x = 165,033.26

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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.