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Finding the Fourth Proportional to 84,404.49, 116,493.78 and 54,227.55

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Solution

The fourth proportional to 84,404.49, 116,493.78 and 54,227.55 is: 74,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,404.49 : 116,493.78 = 54,227.55 : x
  2. Step 2: Convert to fraction form
    84,404.49/116,493.78 = 54,227.55/x
  3. Step 3: Cross multiply
    84,404.49x = 116,493.78 × 54,227.55
  4. Step 4: Simplify right side
    84,404.49x = 6,317,172,279.64
  5. Step 5: Solve for x
    x = 6,317,172,279.64/84,404.49
  6. Step 6: Final answer
    x = 74,844.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.