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Finding the Fourth Proportional to 67,730.96, 101,615.88 and 44,328.44

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Solution

The fourth proportional to 67,730.96, 101,615.88 and 44,328.44 is: 66,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,730.96 : 101,615.88 = 44,328.44 : x
  2. Step 2: Convert to fraction form
    67,730.96/101,615.88 = 44,328.44/x
  3. Step 3: Cross multiply
    67,730.96x = 101,615.88 × 44,328.44
  4. Step 4: Simplify right side
    67,730.96x = 4,504,473,439.63
  5. Step 5: Solve for x
    x = 4,504,473,439.63/67,730.96
  6. Step 6: Final answer
    x = 66,505.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.