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Finding the Fourth Proportional to 162,910.92, 224,794.26 and 91,285.32

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Solution

The fourth proportional to 162,910.92, 224,794.26 and 91,285.32 is: 125,960.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,910.92 : 224,794.26 = 91,285.32 : x
  2. Step 2: Convert to fraction form
    162,910.92/224,794.26 = 91,285.32/x
  3. Step 3: Cross multiply
    162,910.92x = 224,794.26 × 91,285.32
  4. Step 4: Simplify right side
    162,910.92x = 20,520,415,958.26
  5. Step 5: Solve for x
    x = 20,520,415,958.26/162,910.92
  6. Step 6: Final answer
    x = 125,960.96

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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.