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Finding the Fourth Proportional to 64,046.70, 88,396.11 and 62,076.78

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Solution

The fourth proportional to 64,046.70, 88,396.11 and 62,076.78 is: 85,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,046.70 : 88,396.11 = 62,076.78 : x
  2. Step 2: Convert to fraction form
    64,046.70/88,396.11 = 62,076.78/x
  3. Step 3: Cross multiply
    64,046.70x = 88,396.11 × 62,076.78
  4. Step 4: Simplify right side
    64,046.70x = 5,487,345,873.33
  5. Step 5: Solve for x
    x = 5,487,345,873.33/64,046.70
  6. Step 6: Final answer
    x = 85,677.26

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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.