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Finding the Fourth Proportional to 71,440.29, 107,152.89 and 29,324.80

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Solution

The fourth proportional to 71,440.29, 107,152.89 and 29,324.80 is: 43,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,440.29 : 107,152.89 = 29,324.80 : x
  2. Step 2: Convert to fraction form
    71,440.29/107,152.89 = 29,324.80/x
  3. Step 3: Cross multiply
    71,440.29x = 107,152.89 × 29,324.80
  4. Step 4: Simplify right side
    71,440.29x = 3,142,237,068.67
  5. Step 5: Solve for x
    x = 3,142,237,068.67/71,440.29
  6. Step 6: Final answer
    x = 43,984.10

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