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Finding the Fourth Proportional to 71,594.46, 98,811.14 and 51,517.80

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Solution

The fourth proportional to 71,594.46, 98,811.14 and 51,517.80 is: 71,102.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,594.46 : 98,811.14 = 51,517.80 : x
  2. Step 2: Convert to fraction form
    71,594.46/98,811.14 = 51,517.80/x
  3. Step 3: Cross multiply
    71,594.46x = 98,811.14 × 51,517.80
  4. Step 4: Simplify right side
    71,594.46x = 5,090,532,290.70
  5. Step 5: Solve for x
    x = 5,090,532,290.70/71,594.46
  6. Step 6: Final answer
    x = 71,102.32

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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.