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Finding the Fourth Proportional to 113,938.48, 170,921.36 and 47,423.52

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Solution

The fourth proportional to 113,938.48, 170,921.36 and 47,423.52 is: 71,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,938.48 : 170,921.36 = 47,423.52 : x
  2. Step 2: Convert to fraction form
    113,938.48/170,921.36 = 47,423.52/x
  3. Step 3: Cross multiply
    113,938.48x = 170,921.36 × 47,423.52
  4. Step 4: Simplify right side
    113,938.48x = 8,105,692,534.39
  5. Step 5: Solve for x
    x = 8,105,692,534.39/113,938.48
  6. Step 6: Final answer
    x = 71,140.96

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