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Finding the Fourth Proportional to 258,048.44, 387,072.71 and 80,570.66

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Solution

The fourth proportional to 258,048.44, 387,072.71 and 80,570.66 is: 120,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,048.44 : 387,072.71 = 80,570.66 : x
  2. Step 2: Convert to fraction form
    258,048.44/387,072.71 = 80,570.66/x
  3. Step 3: Cross multiply
    258,048.44x = 387,072.71 × 80,570.66
  4. Step 4: Simplify right side
    258,048.44x = 31,186,701,374.47
  5. Step 5: Solve for x
    x = 31,186,701,374.47/258,048.44
  6. Step 6: Final answer
    x = 120,856.00

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