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Finding the Fourth Proportional to 112,452.96, 168,596.11 and 68,069.21

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Solution

The fourth proportional to 112,452.96, 168,596.11 and 68,069.21 is: 102,053.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,452.96 : 168,596.11 = 68,069.21 : x
  2. Step 2: Convert to fraction form
    112,452.96/168,596.11 = 68,069.21/x
  3. Step 3: Cross multiply
    112,452.96x = 168,596.11 × 68,069.21
  4. Step 4: Simplify right side
    112,452.96x = 11,476,204,015.79
  5. Step 5: Solve for x
    x = 11,476,204,015.79/112,452.96
  6. Step 6: Final answer
    x = 102,053.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.