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Finding the Fourth Proportional to 237,662.72, 356,504.80 and 77,747.76

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Solution

The fourth proportional to 237,662.72, 356,504.80 and 77,747.76 is: 116,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,662.72 : 356,504.80 = 77,747.76 : x
  2. Step 2: Convert to fraction form
    237,662.72/356,504.80 = 77,747.76/x
  3. Step 3: Cross multiply
    237,662.72x = 356,504.80 × 77,747.76
  4. Step 4: Simplify right side
    237,662.72x = 27,717,449,629.25
  5. Step 5: Solve for x
    x = 27,717,449,629.25/237,662.72
  6. Step 6: Final answer
    x = 116,625.15

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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.