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Finding the Fourth Proportional to 111,216, 166,887.87 and 110,313.27

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Solution

The fourth proportional to 111,216, 166,887.87 and 110,313.27 is: 165,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,216 : 166,887.87 = 110,313.27 : x
  2. Step 2: Convert to fraction form
    111,216/166,887.87 = 110,313.27/x
  3. Step 3: Cross multiply
    111,216x = 166,887.87 × 110,313.27
  4. Step 4: Simplify right side
    111,216x = 18,409,946,663.03
  5. Step 5: Solve for x
    x = 18,409,946,663.03/111,216
  6. Step 6: Final answer
    x = 165,533.26

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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.