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Finding the Fourth Proportional to 225,082.57, 310,611.43 and 123,110.96

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Solution

The fourth proportional to 225,082.57, 310,611.43 and 123,110.96 is: 169,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,082.57 : 310,611.43 = 123,110.96 : x
  2. Step 2: Convert to fraction form
    225,082.57/310,611.43 = 123,110.96/x
  3. Step 3: Cross multiply
    225,082.57x = 310,611.43 × 123,110.96
  4. Step 4: Simplify right side
    225,082.57x = 38,239,671,334.27
  5. Step 5: Solve for x
    x = 38,239,671,334.27/225,082.57
  6. Step 6: Final answer
    x = 169,891.75

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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.