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Finding the Fourth Proportional to 156,978.36, 235,475.70 and 51,805.53

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Solution

The fourth proportional to 156,978.36, 235,475.70 and 51,805.53 is: 77,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,978.36 : 235,475.70 = 51,805.53 : x
  2. Step 2: Convert to fraction form
    156,978.36/235,475.70 = 51,805.53/x
  3. Step 3: Cross multiply
    156,978.36x = 235,475.70 × 51,805.53
  4. Step 4: Simplify right side
    156,978.36x = 12,198,943,440.62
  5. Step 5: Solve for x
    x = 12,198,943,440.62/156,978.36
  6. Step 6: Final answer
    x = 77,710.99

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