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Finding the Fourth Proportional to 193,169.60, 266,629.56 and 116,676.52

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Solution

The fourth proportional to 193,169.60, 266,629.56 and 116,676.52 is: 161,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,169.60 : 266,629.56 = 116,676.52 : x
  2. Step 2: Convert to fraction form
    193,169.60/266,629.56 = 116,676.52/x
  3. Step 3: Cross multiply
    193,169.60x = 266,629.56 × 116,676.52
  4. Step 4: Simplify right side
    193,169.60x = 31,109,409,189.93
  5. Step 5: Solve for x
    x = 31,109,409,189.93/193,169.60
  6. Step 6: Final answer
    x = 161,047.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.