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Finding the Fourth Proportional to 129,291.43, 193,875.52 and 45,041.24

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Solution

The fourth proportional to 129,291.43, 193,875.52 and 45,041.24 is: 67,540.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,291.43 : 193,875.52 = 45,041.24 : x
  2. Step 2: Convert to fraction form
    129,291.43/193,875.52 = 45,041.24/x
  3. Step 3: Cross multiply
    129,291.43x = 193,875.52 × 45,041.24
  4. Step 4: Simplify right side
    129,291.43x = 8,732,393,826.44
  5. Step 5: Solve for x
    x = 8,732,393,826.44/129,291.43
  6. Step 6: Final answer
    x = 67,540.39

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