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Finding the Fourth Proportional to 111,092.60, 166,663.20 and 54,959.60

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Solution

The fourth proportional to 111,092.60, 166,663.20 and 54,959.60 is: 82,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,092.60 : 166,663.20 = 54,959.60 : x
  2. Step 2: Convert to fraction form
    111,092.60/166,663.20 = 54,959.60/x
  3. Step 3: Cross multiply
    111,092.60x = 166,663.20 × 54,959.60
  4. Step 4: Simplify right side
    111,092.60x = 9,159,742,806.72
  5. Step 5: Solve for x
    x = 9,159,742,806.72/111,092.60
  6. Step 6: Final answer
    x = 82,451.42

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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.