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Finding the Fourth Proportional to 150,935.81, 208,296.41 and 82,955.20

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Solution

The fourth proportional to 150,935.81, 208,296.41 and 82,955.20 is: 114,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,935.81 : 208,296.41 = 82,955.20 : x
  2. Step 2: Convert to fraction form
    150,935.81/208,296.41 = 82,955.20/x
  3. Step 3: Cross multiply
    150,935.81x = 208,296.41 × 82,955.20
  4. Step 4: Simplify right side
    150,935.81x = 17,279,269,309.35
  5. Step 5: Solve for x
    x = 17,279,269,309.35/150,935.81
  6. Step 6: Final answer
    x = 114,480.91

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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.