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Finding the Fourth Proportional to 72,029.47, 99,384.15 and 43,341.43

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Solution

The fourth proportional to 72,029.47, 99,384.15 and 43,341.43 is: 59,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,029.47 : 99,384.15 = 43,341.43 : x
  2. Step 2: Convert to fraction form
    72,029.47/99,384.15 = 43,341.43/x
  3. Step 3: Cross multiply
    72,029.47x = 99,384.15 × 43,341.43
  4. Step 4: Simplify right side
    72,029.47x = 4,307,451,180.33
  5. Step 5: Solve for x
    x = 4,307,451,180.33/72,029.47
  6. Step 6: Final answer
    x = 59,801.23

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