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Finding the Fourth Proportional to 71,323.44, 98,474.16 and 44,476.80

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Solution

The fourth proportional to 71,323.44, 98,474.16 and 44,476.80 is: 61,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,323.44 : 98,474.16 = 44,476.80 : x
  2. Step 2: Convert to fraction form
    71,323.44/98,474.16 = 44,476.80/x
  3. Step 3: Cross multiply
    71,323.44x = 98,474.16 × 44,476.80
  4. Step 4: Simplify right side
    71,323.44x = 4,379,815,519.49
  5. Step 5: Solve for x
    x = 4,379,815,519.49/71,323.44
  6. Step 6: Final answer
    x = 61,407.80

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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.