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Finding the Fourth Proportional to 133,611.21, 200,435.27 and 44,890.09

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Solution

The fourth proportional to 133,611.21, 200,435.27 and 44,890.09 is: 67,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,611.21 : 200,435.27 = 44,890.09 : x
  2. Step 2: Convert to fraction form
    133,611.21/200,435.27 = 44,890.09/x
  3. Step 3: Cross multiply
    133,611.21x = 200,435.27 × 44,890.09
  4. Step 4: Simplify right side
    133,611.21x = 8,997,557,309.47
  5. Step 5: Solve for x
    x = 8,997,557,309.47/133,611.21
  6. Step 6: Final answer
    x = 67,341.34

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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.