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Finding the Fourth Proportional to 100,792.05, 151,155.84 and 33,311.49

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Solution

The fourth proportional to 100,792.05, 151,155.84 and 33,311.49 is: 49,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,792.05 : 151,155.84 = 33,311.49 : x
  2. Step 2: Convert to fraction form
    100,792.05/151,155.84 = 33,311.49/x
  3. Step 3: Cross multiply
    100,792.05x = 151,155.84 × 33,311.49
  4. Step 4: Simplify right side
    100,792.05x = 5,035,226,252.60
  5. Step 5: Solve for x
    x = 5,035,226,252.60/100,792.05
  6. Step 6: Final answer
    x = 49,956.58

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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.