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Finding the Fourth Proportional to 141,857.16, 212,762.70 and 66,977.16

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Solution

The fourth proportional to 141,857.16, 212,762.70 and 66,977.16 is: 100,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,857.16 : 212,762.70 = 66,977.16 : x
  2. Step 2: Convert to fraction form
    141,857.16/212,762.70 = 66,977.16/x
  3. Step 3: Cross multiply
    141,857.16x = 212,762.70 × 66,977.16
  4. Step 4: Simplify right side
    141,857.16x = 14,250,241,399.93
  5. Step 5: Solve for x
    x = 14,250,241,399.93/141,857.16
  6. Step 6: Final answer
    x = 100,454.86

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