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Finding the Fourth Proportional to 128,093.92, 192,140.46 and 34,599.70

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Solution

The fourth proportional to 128,093.92, 192,140.46 and 34,599.70 is: 51,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,093.92 : 192,140.46 = 34,599.70 : x
  2. Step 2: Convert to fraction form
    128,093.92/192,140.46 = 34,599.70/x
  3. Step 3: Cross multiply
    128,093.92x = 192,140.46 × 34,599.70
  4. Step 4: Simplify right side
    128,093.92x = 6,648,002,273.86
  5. Step 5: Solve for x
    x = 6,648,002,273.86/128,093.92
  6. Step 6: Final answer
    x = 51,899.44

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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.