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Finding the Fourth Proportional to 141,801.60, 212,702.40 and 71,671.80

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Solution

The fourth proportional to 141,801.60, 212,702.40 and 71,671.80 is: 107,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,801.60 : 212,702.40 = 71,671.80 : x
  2. Step 2: Convert to fraction form
    141,801.60/212,702.40 = 71,671.80/x
  3. Step 3: Cross multiply
    141,801.60x = 212,702.40 × 71,671.80
  4. Step 4: Simplify right side
    141,801.60x = 15,244,763,872.32
  5. Step 5: Solve for x
    x = 15,244,763,872.32/141,801.60
  6. Step 6: Final answer
    x = 107,507.70

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