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Finding the Fourth Proportional to 133,114.20, 199,671.30 and 83,250.60

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Solution

The fourth proportional to 133,114.20, 199,671.30 and 83,250.60 is: 124,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,114.20 : 199,671.30 = 83,250.60 : x
  2. Step 2: Convert to fraction form
    133,114.20/199,671.30 = 83,250.60/x
  3. Step 3: Cross multiply
    133,114.20x = 199,671.30 × 83,250.60
  4. Step 4: Simplify right side
    133,114.20x = 16,622,755,527.78
  5. Step 5: Solve for x
    x = 16,622,755,527.78/133,114.20
  6. Step 6: Final answer
    x = 124,875.90

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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.