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Finding the Fourth Proportional to 71,006.21, 97,985.86 and 44,142.56

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Solution

The fourth proportional to 71,006.21, 97,985.86 and 44,142.56 is: 60,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,006.21 : 97,985.86 = 44,142.56 : x
  2. Step 2: Convert to fraction form
    71,006.21/97,985.86 = 44,142.56/x
  3. Step 3: Cross multiply
    71,006.21x = 97,985.86 × 44,142.56
  4. Step 4: Simplify right side
    71,006.21x = 4,325,346,704.20
  5. Step 5: Solve for x
    x = 4,325,346,704.20/71,006.21
  6. Step 6: Final answer
    x = 60,915.05

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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.