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Finding the Fourth Proportional to 99,962.92, 149,894.94 and 33,380.20

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Solution

The fourth proportional to 99,962.92, 149,894.94 and 33,380.20 is: 50,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,962.92 : 149,894.94 = 33,380.20 : x
  2. Step 2: Convert to fraction form
    99,962.92/149,894.94 = 33,380.20/x
  3. Step 3: Cross multiply
    99,962.92x = 149,894.94 × 33,380.20
  4. Step 4: Simplify right side
    99,962.92x = 5,003,523,076.19
  5. Step 5: Solve for x
    x = 5,003,523,076.19/99,962.92
  6. Step 6: Final answer
    x = 50,053.79

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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.