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Finding the Fourth Proportional to 133,417.20, 200,563.20 and 94,245.60

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Solution

The fourth proportional to 133,417.20, 200,563.20 and 94,245.60 is: 141,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,417.20 : 200,563.20 = 94,245.60 : x
  2. Step 2: Convert to fraction form
    133,417.20/200,563.20 = 94,245.60/x
  3. Step 3: Cross multiply
    133,417.20x = 200,563.20 × 94,245.60
  4. Step 4: Simplify right side
    133,417.20x = 18,902,199,121.92
  5. Step 5: Solve for x
    x = 18,902,199,121.92/133,417.20
  6. Step 6: Final answer
    x = 141,677.38

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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.