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Finding the Fourth Proportional to 237,717.69, 356,580.44 and 66,943.51

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Solution

The fourth proportional to 237,717.69, 356,580.44 and 66,943.51 is: 100,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,717.69 : 356,580.44 = 66,943.51 : x
  2. Step 2: Convert to fraction form
    237,717.69/356,580.44 = 66,943.51/x
  3. Step 3: Cross multiply
    237,717.69x = 356,580.44 × 66,943.51
  4. Step 4: Simplify right side
    237,717.69x = 23,870,747,658.14
  5. Step 5: Solve for x
    x = 23,870,747,658.14/237,717.69
  6. Step 6: Final answer
    x = 100,416.37

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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.