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Finding the Fourth Proportional to 92,745.20, 139,036.80 and 63,066.80

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Solution

The fourth proportional to 92,745.20, 139,036.80 and 63,066.80 is: 94,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,745.20 : 139,036.80 = 63,066.80 : x
  2. Step 2: Convert to fraction form
    92,745.20/139,036.80 = 63,066.80/x
  3. Step 3: Cross multiply
    92,745.20x = 139,036.80 × 63,066.80
  4. Step 4: Simplify right side
    92,745.20x = 8,768,606,058.24
  5. Step 5: Solve for x
    x = 8,768,606,058.24/92,745.20
  6. Step 6: Final answer
    x = 94,545.12

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