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Finding the Fourth Proportional to 116,605.56, 174,908.34 and 110,939.88

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Solution

The fourth proportional to 116,605.56, 174,908.34 and 110,939.88 is: 166,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,605.56 : 174,908.34 = 110,939.88 : x
  2. Step 2: Convert to fraction form
    116,605.56/174,908.34 = 110,939.88/x
  3. Step 3: Cross multiply
    116,605.56x = 174,908.34 × 110,939.88
  4. Step 4: Simplify right side
    116,605.56x = 19,404,310,250.60
  5. Step 5: Solve for x
    x = 19,404,310,250.60/116,605.56
  6. Step 6: Final answer
    x = 166,409.82

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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.