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Finding the Fourth Proportional to 117,424.62, 176,163.80 and 50,875.83

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Solution

The fourth proportional to 117,424.62, 176,163.80 and 50,875.83 is: 76,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,424.62 : 176,163.80 = 50,875.83 : x
  2. Step 2: Convert to fraction form
    117,424.62/176,163.80 = 50,875.83/x
  3. Step 3: Cross multiply
    117,424.62x = 176,163.80 × 50,875.83
  4. Step 4: Simplify right side
    117,424.62x = 8,962,479,286.57
  5. Step 5: Solve for x
    x = 8,962,479,286.57/117,424.62
  6. Step 6: Final answer
    x = 76,325.38

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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.