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Finding the Fourth Proportional to 179,163.62, 268,784.31 and 54,501.38

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Solution

The fourth proportional to 179,163.62, 268,784.31 and 54,501.38 is: 81,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,163.62 : 268,784.31 = 54,501.38 : x
  2. Step 2: Convert to fraction form
    179,163.62/268,784.31 = 54,501.38/x
  3. Step 3: Cross multiply
    179,163.62x = 268,784.31 × 54,501.38
  4. Step 4: Simplify right side
    179,163.62x = 14,649,114,473.43
  5. Step 5: Solve for x
    x = 14,649,114,473.43/179,163.62
  6. Step 6: Final answer
    x = 81,763.89

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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.