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Finding the Fourth Proportional to 92,973.78, 139,469.90 and 29,778.03

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Solution

The fourth proportional to 92,973.78, 139,469.90 and 29,778.03 is: 44,670.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,973.78 : 139,469.90 = 29,778.03 : x
  2. Step 2: Convert to fraction form
    92,973.78/139,469.90 = 29,778.03/x
  3. Step 3: Cross multiply
    92,973.78x = 139,469.90 × 29,778.03
  4. Step 4: Simplify right side
    92,973.78x = 4,153,138,717.41
  5. Step 5: Solve for x
    x = 4,153,138,717.41/92,973.78
  6. Step 6: Final answer
    x = 44,670.00

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