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Finding the Fourth Proportional to 159,243.76, 238,896.96 and 52,623.43

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Solution

The fourth proportional to 159,243.76, 238,896.96 and 52,623.43 is: 78,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,243.76 : 238,896.96 = 52,623.43 : x
  2. Step 2: Convert to fraction form
    159,243.76/238,896.96 = 52,623.43/x
  3. Step 3: Cross multiply
    159,243.76x = 238,896.96 × 52,623.43
  4. Step 4: Simplify right side
    159,243.76x = 12,571,577,451.77
  5. Step 5: Solve for x
    x = 12,571,577,451.77/159,243.76
  6. Step 6: Final answer
    x = 78,945.49

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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.