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Finding the Fourth Proportional to 71,493.98, 98,647.47 and 43,199.73

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Solution

The fourth proportional to 71,493.98, 98,647.47 and 43,199.73 is: 59,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,493.98 : 98,647.47 = 43,199.73 : x
  2. Step 2: Convert to fraction form
    71,493.98/98,647.47 = 43,199.73/x
  3. Step 3: Cross multiply
    71,493.98x = 98,647.47 × 43,199.73
  4. Step 4: Simplify right side
    71,493.98x = 4,261,544,069.18
  5. Step 5: Solve for x
    x = 4,261,544,069.18/71,493.98
  6. Step 6: Final answer
    x = 59,607.04

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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.