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Finding the Fourth Proportional to 119,730.96, 179,596.44 and 48,660.75

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Solution

The fourth proportional to 119,730.96, 179,596.44 and 48,660.75 is: 72,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,730.96 : 179,596.44 = 48,660.75 : x
  2. Step 2: Convert to fraction form
    119,730.96/179,596.44 = 48,660.75/x
  3. Step 3: Cross multiply
    119,730.96x = 179,596.44 × 48,660.75
  4. Step 4: Simplify right side
    119,730.96x = 8,739,297,467.73
  5. Step 5: Solve for x
    x = 8,739,297,467.73/119,730.96
  6. Step 6: Final answer
    x = 72,991.13

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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.