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Finding the Fourth Proportional to 232,998.93, 321,530.85 and 131,028.84

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Solution

The fourth proportional to 232,998.93, 321,530.85 and 131,028.84 is: 180,815.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,998.93 : 321,530.85 = 131,028.84 : x
  2. Step 2: Convert to fraction form
    232,998.93/321,530.85 = 131,028.84/x
  3. Step 3: Cross multiply
    232,998.93x = 321,530.85 × 131,028.84
  4. Step 4: Simplify right side
    232,998.93x = 42,129,814,299.71
  5. Step 5: Solve for x
    x = 42,129,814,299.71/232,998.93
  6. Step 6: Final answer
    x = 180,815.48

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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.