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Finding the Fourth Proportional to 57,031.40, 78,702.87 and 32,837.12

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Solution

The fourth proportional to 57,031.40, 78,702.87 and 32,837.12 is: 45,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,031.40 : 78,702.87 = 32,837.12 : x
  2. Step 2: Convert to fraction form
    57,031.40/78,702.87 = 32,837.12/x
  3. Step 3: Cross multiply
    57,031.40x = 78,702.87 × 32,837.12
  4. Step 4: Simplify right side
    57,031.40x = 2,584,375,586.53
  5. Step 5: Solve for x
    x = 2,584,375,586.53/57,031.40
  6. Step 6: Final answer
    x = 45,314.96

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