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Finding the Fourth Proportional to 142,418.76, 213,556.02 and 47,615.22

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Solution

The fourth proportional to 142,418.76, 213,556.02 and 47,615.22 is: 71,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,418.76 : 213,556.02 = 47,615.22 : x
  2. Step 2: Convert to fraction form
    142,418.76/213,556.02 = 47,615.22/x
  3. Step 3: Cross multiply
    142,418.76x = 213,556.02 × 47,615.22
  4. Step 4: Simplify right side
    142,418.76x = 10,168,516,874.62
  5. Step 5: Solve for x
    x = 10,168,516,874.62/142,418.76
  6. Step 6: Final answer
    x = 71,398.72

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