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Finding the Fourth Proportional to 111,098.28, 166,573.26 and 61,202.28

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Solution

The fourth proportional to 111,098.28, 166,573.26 and 61,202.28 is: 91,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,098.28 : 166,573.26 = 61,202.28 : x
  2. Step 2: Convert to fraction form
    111,098.28/166,573.26 = 61,202.28/x
  3. Step 3: Cross multiply
    111,098.28x = 166,573.26 × 61,202.28
  4. Step 4: Simplify right side
    111,098.28x = 10,194,663,299.03
  5. Step 5: Solve for x
    x = 10,194,663,299.03/111,098.28
  6. Step 6: Final answer
    x = 91,762.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.