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Finding the Fourth Proportional to 275,629.86, 380,404.42 and 168,177.08

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Solution

The fourth proportional to 275,629.86, 380,404.42 and 168,177.08 is: 232,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,629.86 : 380,404.42 = 168,177.08 : x
  2. Step 2: Convert to fraction form
    275,629.86/380,404.42 = 168,177.08/x
  3. Step 3: Cross multiply
    275,629.86x = 380,404.42 × 168,177.08
  4. Step 4: Simplify right side
    275,629.86x = 63,975,305,105.26
  5. Step 5: Solve for x
    x = 63,975,305,105.26/275,629.86
  6. Step 6: Final answer
    x = 232,105.86

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1.5x scale

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.