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Finding the Fourth Proportional to 157,366.73, 236,119.87 and 82,469.07

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Solution

The fourth proportional to 157,366.73, 236,119.87 and 82,469.07 is: 123,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,366.73 : 236,119.87 = 82,469.07 : x
  2. Step 2: Convert to fraction form
    157,366.73/236,119.87 = 82,469.07/x
  3. Step 3: Cross multiply
    157,366.73x = 236,119.87 × 82,469.07
  4. Step 4: Simplify right side
    157,366.73x = 19,472,586,087.42
  5. Step 5: Solve for x
    x = 19,472,586,087.42/157,366.73
  6. Step 6: Final answer
    x = 123,740.17

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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.