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Finding the Fourth Proportional to 57,102.76, 78,803.94 and 31,952.44

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Solution

The fourth proportional to 57,102.76, 78,803.94 and 31,952.44 is: 44,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102.76 : 78,803.94 = 31,952.44 : x
  2. Step 2: Convert to fraction form
    57,102.76/78,803.94 = 31,952.44/x
  3. Step 3: Cross multiply
    57,102.76x = 78,803.94 × 31,952.44
  4. Step 4: Simplify right side
    57,102.76x = 2,517,978,164.61
  5. Step 5: Solve for x
    x = 2,517,978,164.61/57,102.76
  6. Step 6: Final answer
    x = 44,095.56

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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.