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Finding the Fourth Proportional to 143,261.23, 214,596.52 and 83,916.98

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Solution

The fourth proportional to 143,261.23, 214,596.52 and 83,916.98 is: 125,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,261.23 : 214,596.52 = 83,916.98 : x
  2. Step 2: Convert to fraction form
    143,261.23/214,596.52 = 83,916.98/x
  3. Step 3: Cross multiply
    143,261.23x = 214,596.52 × 83,916.98
  4. Step 4: Simplify right side
    143,261.23x = 18,008,291,876.91
  5. Step 5: Solve for x
    x = 18,008,291,876.91/143,261.23
  6. Step 6: Final answer
    x = 125,702.48

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