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Finding the Fourth Proportional to 58,416.32, 80,671.20 and 49,983.68

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Solution

The fourth proportional to 58,416.32, 80,671.20 and 49,983.68 is: 69,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,416.32 : 80,671.20 = 49,983.68 : x
  2. Step 2: Convert to fraction form
    58,416.32/80,671.20 = 49,983.68/x
  3. Step 3: Cross multiply
    58,416.32x = 80,671.20 × 49,983.68
  4. Step 4: Simplify right side
    58,416.32x = 4,032,243,446.02
  5. Step 5: Solve for x
    x = 4,032,243,446.02/58,416.32
  6. Step 6: Final answer
    x = 69,025.98

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