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Finding the Fourth Proportional to 73,503.34, 110,310.49 and 53,832.89

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Solution

The fourth proportional to 73,503.34, 110,310.49 and 53,832.89 is: 80,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,503.34 : 110,310.49 = 53,832.89 : x
  2. Step 2: Convert to fraction form
    73,503.34/110,310.49 = 53,832.89/x
  3. Step 3: Cross multiply
    73,503.34x = 110,310.49 × 53,832.89
  4. Step 4: Simplify right side
    73,503.34x = 5,938,332,817.08
  5. Step 5: Solve for x
    x = 5,938,332,817.08/73,503.34
  6. Step 6: Final answer
    x = 80,789.98

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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.