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Finding the Fourth Proportional to 100,336.29, 150,512.62 and 50,390.70

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Solution

The fourth proportional to 100,336.29, 150,512.62 and 50,390.70 is: 75,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,336.29 : 150,512.62 = 50,390.70 : x
  2. Step 2: Convert to fraction form
    100,336.29/150,512.62 = 50,390.70/x
  3. Step 3: Cross multiply
    100,336.29x = 150,512.62 × 50,390.70
  4. Step 4: Simplify right side
    100,336.29x = 7,584,436,280.63
  5. Step 5: Solve for x
    x = 7,584,436,280.63/100,336.29
  6. Step 6: Final answer
    x = 75,590.16

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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.