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Finding the Fourth Proportional to 168,054.75, 231,920.42 and 92,608.11

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Solution

The fourth proportional to 168,054.75, 231,920.42 and 92,608.11 is: 127,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,054.75 : 231,920.42 = 92,608.11 : x
  2. Step 2: Convert to fraction form
    168,054.75/231,920.42 = 92,608.11/x
  3. Step 3: Cross multiply
    168,054.75x = 231,920.42 × 92,608.11
  4. Step 4: Simplify right side
    168,054.75x = 21,477,711,303.57
  5. Step 5: Solve for x
    x = 21,477,711,303.57/168,054.75
  6. Step 6: Final answer
    x = 127,801.87

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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.