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Finding the Fourth Proportional to 111,046.54, 166,302.90 and 63,517.54

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Solution

The fourth proportional to 111,046.54, 166,302.90 and 63,517.54 is: 95,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,046.54 : 166,302.90 = 63,517.54 : x
  2. Step 2: Convert to fraction form
    111,046.54/166,302.90 = 63,517.54/x
  3. Step 3: Cross multiply
    111,046.54x = 166,302.90 × 63,517.54
  4. Step 4: Simplify right side
    111,046.54x = 10,563,151,102.87
  5. Step 5: Solve for x
    x = 10,563,151,102.87/111,046.54
  6. Step 6: Final answer
    x = 95,123.64

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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.