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Finding the Fourth Proportional to 119,835.82, 179,753.73 and 40,950.73

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Solution

The fourth proportional to 119,835.82, 179,753.73 and 40,950.73 is: 61,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,835.82 : 179,753.73 = 40,950.73 : x
  2. Step 2: Convert to fraction form
    119,835.82/179,753.73 = 40,950.73/x
  3. Step 3: Cross multiply
    119,835.82x = 179,753.73 × 40,950.73
  4. Step 4: Simplify right side
    119,835.82x = 7,361,046,463.72
  5. Step 5: Solve for x
    x = 7,361,046,463.72/119,835.82
  6. Step 6: Final answer
    x = 61,426.10

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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.