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Finding the Fourth Proportional to 107,842.40, 161,686.80 and 41,256.80

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Solution

The fourth proportional to 107,842.40, 161,686.80 and 41,256.80 is: 61,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,842.40 : 161,686.80 = 41,256.80 : x
  2. Step 2: Convert to fraction form
    107,842.40/161,686.80 = 41,256.80/x
  3. Step 3: Cross multiply
    107,842.40x = 161,686.80 × 41,256.80
  4. Step 4: Simplify right side
    107,842.40x = 6,670,679,970.24
  5. Step 5: Solve for x
    x = 6,670,679,970.24/107,842.40
  6. Step 6: Final answer
    x = 61,855.82

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