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Finding the Fourth Proportional to 133,296.88, 199,945.29 and 53,370.82

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Solution

The fourth proportional to 133,296.88, 199,945.29 and 53,370.82 is: 80,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,296.88 : 199,945.29 = 53,370.82 : x
  2. Step 2: Convert to fraction form
    133,296.88/199,945.29 = 53,370.82/x
  3. Step 3: Cross multiply
    133,296.88x = 199,945.29 × 53,370.82
  4. Step 4: Simplify right side
    133,296.88x = 10,671,244,082.44
  5. Step 5: Solve for x
    x = 10,671,244,082.44/133,296.88
  6. Step 6: Final answer
    x = 80,056.22

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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.