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Finding the Fourth Proportional to 75,109.62, 103,656.24 and 43,280.55

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Solution

The fourth proportional to 75,109.62, 103,656.24 and 43,280.55 is: 59,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,109.62 : 103,656.24 = 43,280.55 : x
  2. Step 2: Convert to fraction form
    75,109.62/103,656.24 = 43,280.55/x
  3. Step 3: Cross multiply
    75,109.62x = 103,656.24 × 43,280.55
  4. Step 4: Simplify right side
    75,109.62x = 4,486,299,078.13
  5. Step 5: Solve for x
    x = 4,486,299,078.13/75,109.62
  6. Step 6: Final answer
    x = 59,730.02

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