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Finding the Fourth Proportional to 129,950.86, 194,988.26 and 70,785.22

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Solution

The fourth proportional to 129,950.86, 194,988.26 and 70,785.22 is: 106,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,950.86 : 194,988.26 = 70,785.22 : x
  2. Step 2: Convert to fraction form
    129,950.86/194,988.26 = 70,785.22/x
  3. Step 3: Cross multiply
    129,950.86x = 194,988.26 × 70,785.22
  4. Step 4: Simplify right side
    129,950.86x = 13,802,286,881.52
  5. Step 5: Solve for x
    x = 13,802,286,881.52/129,950.86
  6. Step 6: Final answer
    x = 106,211.59

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