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Finding the Fourth Proportional to 107,445.67, 161,168.33 and 28,559.90

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Solution

The fourth proportional to 107,445.67, 161,168.33 and 28,559.90 is: 42,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,445.67 : 161,168.33 = 28,559.90 : x
  2. Step 2: Convert to fraction form
    107,445.67/161,168.33 = 28,559.90/x
  3. Step 3: Cross multiply
    107,445.67x = 161,168.33 × 28,559.90
  4. Step 4: Simplify right side
    107,445.67x = 4,602,950,439.33
  5. Step 5: Solve for x
    x = 4,602,950,439.33/107,445.67
  6. Step 6: Final answer
    x = 42,839.80

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