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Finding the Fourth Proportional to 168,733, 232,856.40 and 93,286.36

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Solution

The fourth proportional to 168,733, 232,856.40 and 93,286.36 is: 128,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,733 : 232,856.40 = 93,286.36 : x
  2. Step 2: Convert to fraction form
    168,733/232,856.40 = 93,286.36/x
  3. Step 3: Cross multiply
    168,733x = 232,856.40 × 93,286.36
  4. Step 4: Simplify right side
    168,733x = 21,722,325,958.70
  5. Step 5: Solve for x
    x = 21,722,325,958.70/168,733
  6. Step 6: Final answer
    x = 128,737.86

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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.