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Finding the Fourth Proportional to 237,661.21, 356,571.24 and 77,744.44

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Solution

The fourth proportional to 237,661.21, 356,571.24 and 77,744.44 is: 116,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,661.21 : 356,571.24 = 77,744.44 : x
  2. Step 2: Convert to fraction form
    237,661.21/356,571.24 = 77,744.44/x
  3. Step 3: Cross multiply
    237,661.21x = 356,571.24 × 77,744.44
  4. Step 4: Simplify right side
    237,661.21x = 27,721,431,373.91
  5. Step 5: Solve for x
    x = 27,721,431,373.91/237,661.21
  6. Step 6: Final answer
    x = 116,642.64

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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.