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Finding the Fourth Proportional to 79,136.88, 109,211.82 and 45,150.88

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Solution

The fourth proportional to 79,136.88, 109,211.82 and 45,150.88 is: 62,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,136.88 : 109,211.82 = 45,150.88 : x
  2. Step 2: Convert to fraction form
    79,136.88/109,211.82 = 45,150.88/x
  3. Step 3: Cross multiply
    79,136.88x = 109,211.82 × 45,150.88
  4. Step 4: Simplify right side
    79,136.88x = 4,931,009,779.40
  5. Step 5: Solve for x
    x = 4,931,009,779.40/79,136.88
  6. Step 6: Final answer
    x = 62,309.88

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