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Finding the Fourth Proportional to 237,660.72, 356,570.49 and 77,743.92

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Solution

The fourth proportional to 237,660.72, 356,570.49 and 77,743.92 is: 116,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,660.72 : 356,570.49 = 77,743.92 : x
  2. Step 2: Convert to fraction form
    237,660.72/356,570.49 = 77,743.92/x
  3. Step 3: Cross multiply
    237,660.72x = 356,570.49 × 77,743.92
  4. Step 4: Simplify right side
    237,660.72x = 27,721,187,648.92
  5. Step 5: Solve for x
    x = 27,721,187,648.92/237,660.72
  6. Step 6: Final answer
    x = 116,641.86

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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.