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Finding the Fourth Proportional to 71,607.56, 98,878.24 and 59,733.14

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Solution

The fourth proportional to 71,607.56, 98,878.24 and 59,733.14 is: 82,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,607.56 : 98,878.24 = 59,733.14 : x
  2. Step 2: Convert to fraction form
    71,607.56/98,878.24 = 59,733.14/x
  3. Step 3: Cross multiply
    71,607.56x = 98,878.24 × 59,733.14
  4. Step 4: Simplify right side
    71,607.56x = 5,906,307,752.87
  5. Step 5: Solve for x
    x = 5,906,307,752.87/71,607.56
  6. Step 6: Final answer
    x = 82,481.62

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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.