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Finding the Fourth Proportional to 168,450.52, 232,462.16 and 91,969.72

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Solution

The fourth proportional to 168,450.52, 232,462.16 and 91,969.72 is: 126,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,450.52 : 232,462.16 = 91,969.72 : x
  2. Step 2: Convert to fraction form
    168,450.52/232,462.16 = 91,969.72/x
  3. Step 3: Cross multiply
    168,450.52x = 232,462.16 × 91,969.72
  4. Step 4: Simplify right side
    168,450.52x = 21,379,479,765.80
  5. Step 5: Solve for x
    x = 21,379,479,765.80/168,450.52
  6. Step 6: Final answer
    x = 126,918.46

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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.