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Finding the Fourth Proportional to 133,620.36, 200,448.94 and 44,899.20

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Solution

The fourth proportional to 133,620.36, 200,448.94 and 44,899.20 is: 67,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,620.36 : 200,448.94 = 44,899.20 : x
  2. Step 2: Convert to fraction form
    133,620.36/200,448.94 = 44,899.20/x
  3. Step 3: Cross multiply
    133,620.36x = 200,448.94 × 44,899.20
  4. Step 4: Simplify right side
    133,620.36x = 8,999,997,046.85
  5. Step 5: Solve for x
    x = 8,999,997,046.85/133,620.36
  6. Step 6: Final answer
    x = 67,354.98

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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.