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Finding the Fourth Proportional to 61,266.80, 84,571.56 and 59,581.44

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Solution

The fourth proportional to 61,266.80, 84,571.56 and 59,581.44 is: 82,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,266.80 : 84,571.56 = 59,581.44 : x
  2. Step 2: Convert to fraction form
    61,266.80/84,571.56 = 59,581.44/x
  3. Step 3: Cross multiply
    61,266.80x = 84,571.56 × 59,581.44
  4. Step 4: Simplify right side
    61,266.80x = 5,038,895,327.85
  5. Step 5: Solve for x
    x = 5,038,895,327.85/61,266.80
  6. Step 6: Final answer
    x = 82,245.12

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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.