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Finding the Fourth Proportional to 103,910.96, 155,884.80 and 33,777.92

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Solution

The fourth proportional to 103,910.96, 155,884.80 and 33,777.92 is: 50,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,910.96 : 155,884.80 = 33,777.92 : x
  2. Step 2: Convert to fraction form
    103,910.96/155,884.80 = 33,777.92/x
  3. Step 3: Cross multiply
    103,910.96x = 155,884.80 × 33,777.92
  4. Step 4: Simplify right side
    103,910.96x = 5,265,464,303.62
  5. Step 5: Solve for x
    x = 5,265,464,303.62/103,910.96
  6. Step 6: Final answer
    x = 50,672.85

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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.