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Finding the Fourth Proportional to 158,879.97, 238,319.76 and 40,551.30

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Solution

The fourth proportional to 158,879.97, 238,319.76 and 40,551.30 is: 60,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,879.97 : 238,319.76 = 40,551.30 : x
  2. Step 2: Convert to fraction form
    158,879.97/238,319.76 = 40,551.30/x
  3. Step 3: Cross multiply
    158,879.97x = 238,319.76 × 40,551.30
  4. Step 4: Simplify right side
    158,879.97x = 9,664,176,083.69
  5. Step 5: Solve for x
    x = 9,664,176,083.69/158,879.97
  6. Step 6: Final answer
    x = 60,826.90

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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.