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Finding the Fourth Proportional to 116,167.44, 174,309.60 and 86,644.56

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Solution

The fourth proportional to 116,167.44, 174,309.60 and 86,644.56 is: 130,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,167.44 : 174,309.60 = 86,644.56 : x
  2. Step 2: Convert to fraction form
    116,167.44/174,309.60 = 86,644.56/x
  3. Step 3: Cross multiply
    116,167.44x = 174,309.60 × 86,644.56
  4. Step 4: Simplify right side
    116,167.44x = 15,102,978,595.78
  5. Step 5: Solve for x
    x = 15,102,978,595.78/116,167.44
  6. Step 6: Final answer
    x = 130,010.43

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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.