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Finding the Fourth Proportional to 168,843.79, 232,932.21 and 97,208.61

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Solution

The fourth proportional to 168,843.79, 232,932.21 and 97,208.61 is: 134,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,843.79 : 232,932.21 = 97,208.61 : x
  2. Step 2: Convert to fraction form
    168,843.79/232,932.21 = 97,208.61/x
  3. Step 3: Cross multiply
    168,843.79x = 232,932.21 × 97,208.61
  4. Step 4: Simplify right side
    168,843.79x = 22,643,015,120.30
  5. Step 5: Solve for x
    x = 22,643,015,120.30/168,843.79
  6. Step 6: Final answer
    x = 134,106.29

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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.