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Finding the Fourth Proportional to 111,296.62, 166,892.13 and 64,563.82

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Solution

The fourth proportional to 111,296.62, 166,892.13 and 64,563.82 is: 96,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,296.62 : 166,892.13 = 64,563.82 : x
  2. Step 2: Convert to fraction form
    111,296.62/166,892.13 = 64,563.82/x
  3. Step 3: Cross multiply
    111,296.62x = 166,892.13 × 64,563.82
  4. Step 4: Simplify right side
    111,296.62x = 10,775,193,440.74
  5. Step 5: Solve for x
    x = 10,775,193,440.74/111,296.62
  6. Step 6: Final answer
    x = 96,815.10

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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.