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Finding the Fourth Proportional to 168,831, 232,994.12 and 93,379.56

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Solution

The fourth proportional to 168,831, 232,994.12 and 93,379.56 is: 128,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,831 : 232,994.12 = 93,379.56 : x
  2. Step 2: Convert to fraction form
    168,831/232,994.12 = 93,379.56/x
  3. Step 3: Cross multiply
    168,831x = 232,994.12 × 93,379.56
  4. Step 4: Simplify right side
    168,831x = 21,756,888,408.19
  5. Step 5: Solve for x
    x = 21,756,888,408.19/168,831
  6. Step 6: Final answer
    x = 128,867.85

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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.