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Finding the Fourth Proportional to 117,311.52, 161,898.48 and 67,009.44

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Solution

The fourth proportional to 117,311.52, 161,898.48 and 67,009.44 is: 92,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,311.52 : 161,898.48 = 67,009.44 : x
  2. Step 2: Convert to fraction form
    117,311.52/161,898.48 = 67,009.44/x
  3. Step 3: Cross multiply
    117,311.52x = 161,898.48 × 67,009.44
  4. Step 4: Simplify right side
    117,311.52x = 10,848,726,481.65
  5. Step 5: Solve for x
    x = 10,848,726,481.65/117,311.52
  6. Step 6: Final answer
    x = 92,477.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.