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Finding the Fourth Proportional to 159,879.81, 239,820.45 and 41,542.77

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Solution

The fourth proportional to 159,879.81, 239,820.45 and 41,542.77 is: 62,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,879.81 : 239,820.45 = 41,542.77 : x
  2. Step 2: Convert to fraction form
    159,879.81/239,820.45 = 41,542.77/x
  3. Step 3: Cross multiply
    159,879.81x = 239,820.45 × 41,542.77
  4. Step 4: Simplify right side
    159,879.81x = 9,962,805,795.65
  5. Step 5: Solve for x
    x = 9,962,805,795.65/159,879.81
  6. Step 6: Final answer
    x = 62,314.35

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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.