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Finding the Fourth Proportional to 159,866.27, 239,755.66 and 60,018.78

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Solution

The fourth proportional to 159,866.27, 239,755.66 and 60,018.78 is: 90,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,866.27 : 239,755.66 = 60,018.78 : x
  2. Step 2: Convert to fraction form
    159,866.27/239,755.66 = 60,018.78/x
  3. Step 3: Cross multiply
    159,866.27x = 239,755.66 × 60,018.78
  4. Step 4: Simplify right side
    159,866.27x = 14,389,842,960.33
  5. Step 5: Solve for x
    x = 14,389,842,960.33/159,866.27
  6. Step 6: Final answer
    x = 90,011.75

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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.