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Finding the Fourth Proportional to 80,409.48, 110,971.88 and 44,611

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Solution

The fourth proportional to 80,409.48, 110,971.88 and 44,611 is: 61,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,409.48 : 110,971.88 = 44,611 : x
  2. Step 2: Convert to fraction form
    80,409.48/110,971.88 = 44,611/x
  3. Step 3: Cross multiply
    80,409.48x = 110,971.88 × 44,611
  4. Step 4: Simplify right side
    80,409.48x = 4,950,566,538.68
  5. Step 5: Solve for x
    x = 4,950,566,538.68/80,409.48
  6. Step 6: Final answer
    x = 61,566.95

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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.