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Finding the Fourth Proportional to 141,840.60, 212,760.90 and 71,710.80

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Solution

The fourth proportional to 141,840.60, 212,760.90 and 71,710.80 is: 107,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,840.60 : 212,760.90 = 71,710.80 : x
  2. Step 2: Convert to fraction form
    141,840.60/212,760.90 = 71,710.80/x
  3. Step 3: Cross multiply
    141,840.60x = 212,760.90 × 71,710.80
  4. Step 4: Simplify right side
    141,840.60x = 15,257,254,347.72
  5. Step 5: Solve for x
    x = 15,257,254,347.72/141,840.60
  6. Step 6: Final answer
    x = 107,566.20

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