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Finding the Fourth Proportional to 183,935.70, 275,995.88 and 84,087

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Solution

The fourth proportional to 183,935.70, 275,995.88 and 84,087 is: 126,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,935.70 : 275,995.88 = 84,087 : x
  2. Step 2: Convert to fraction form
    183,935.70/275,995.88 = 84,087/x
  3. Step 3: Cross multiply
    183,935.70x = 275,995.88 × 84,087
  4. Step 4: Simplify right side
    183,935.70x = 23,207,665,141.13
  5. Step 5: Solve for x
    x = 23,207,665,141.13/183,935.70
  6. Step 6: Final answer
    x = 126,172.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.