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Finding the Fourth Proportional to 111,232.08, 166,744.44 and 55,763.28

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Solution

The fourth proportional to 111,232.08, 166,744.44 and 55,763.28 is: 83,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,232.08 : 166,744.44 = 55,763.28 : x
  2. Step 2: Convert to fraction form
    111,232.08/166,744.44 = 55,763.28/x
  3. Step 3: Cross multiply
    111,232.08x = 166,744.44 × 55,763.28
  4. Step 4: Simplify right side
    111,232.08x = 9,298,216,896.16
  5. Step 5: Solve for x
    x = 9,298,216,896.16/111,232.08
  6. Step 6: Final answer
    x = 83,592.94

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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.