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Finding the Fourth Proportional to 112,233.40, 168,358.20 and 67,764.40

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Solution

The fourth proportional to 112,233.40, 168,358.20 and 67,764.40 is: 101,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,233.40 : 168,358.20 = 67,764.40 : x
  2. Step 2: Convert to fraction form
    112,233.40/168,358.20 = 67,764.40/x
  3. Step 3: Cross multiply
    112,233.40x = 168,358.20 × 67,764.40
  4. Step 4: Simplify right side
    112,233.40x = 11,408,692,408.08
  5. Step 5: Solve for x
    x = 11,408,692,408.08/112,233.40
  6. Step 6: Final answer
    x = 101,651.49

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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.