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Finding the Fourth Proportional to 71,627.14, 98,917.10 and 59,005.41

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Solution

The fourth proportional to 71,627.14, 98,917.10 and 59,005.41 is: 81,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,627.14 : 98,917.10 = 59,005.41 : x
  2. Step 2: Convert to fraction form
    71,627.14/98,917.10 = 59,005.41/x
  3. Step 3: Cross multiply
    71,627.14x = 98,917.10 × 59,005.41
  4. Step 4: Simplify right side
    71,627.14x = 5,836,644,153.22
  5. Step 5: Solve for x
    x = 5,836,644,153.22/71,627.14
  6. Step 6: Final answer
    x = 81,486.49

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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.