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Finding the Fourth Proportional to 156,965.70, 235,448.55 and 83,237.70

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Solution

The fourth proportional to 156,965.70, 235,448.55 and 83,237.70 is: 124,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,965.70 : 235,448.55 = 83,237.70 : x
  2. Step 2: Convert to fraction form
    156,965.70/235,448.55 = 83,237.70/x
  3. Step 3: Cross multiply
    156,965.70x = 235,448.55 × 83,237.70
  4. Step 4: Simplify right side
    156,965.70x = 19,598,195,770.34
  5. Step 5: Solve for x
    x = 19,598,195,770.34/156,965.70
  6. Step 6: Final answer
    x = 124,856.55

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