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Finding the Fourth Proportional to 168,180, 232,090.22 and 91,698.48

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Solution

The fourth proportional to 168,180, 232,090.22 and 91,698.48 is: 126,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,180 : 232,090.22 = 91,698.48 : x
  2. Step 2: Convert to fraction form
    168,180/232,090.22 = 91,698.48/x
  3. Step 3: Cross multiply
    168,180x = 232,090.22 × 91,698.48
  4. Step 4: Simplify right side
    168,180x = 21,282,319,938.37
  5. Step 5: Solve for x
    x = 21,282,319,938.37/168,180
  6. Step 6: Final answer
    x = 126,544.89

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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.