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Finding the Fourth Proportional to 68,553.44, 102,712.80 and 37,410.56

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Solution

The fourth proportional to 68,553.44, 102,712.80 and 37,410.56 is: 56,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,553.44 : 102,712.80 = 37,410.56 : x
  2. Step 2: Convert to fraction form
    68,553.44/102,712.80 = 37,410.56/x
  3. Step 3: Cross multiply
    68,553.44x = 102,712.80 × 37,410.56
  4. Step 4: Simplify right side
    68,553.44x = 3,842,543,367.17
  5. Step 5: Solve for x
    x = 3,842,543,367.17/68,553.44
  6. Step 6: Final answer
    x = 56,051.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.