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Finding the Fourth Proportional to 75,459.85, 113,188.62 and 19,299.47

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Solution

The fourth proportional to 75,459.85, 113,188.62 and 19,299.47 is: 28,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459.85 : 113,188.62 = 19,299.47 : x
  2. Step 2: Convert to fraction form
    75,459.85/113,188.62 = 19,299.47/x
  3. Step 3: Cross multiply
    75,459.85x = 113,188.62 × 19,299.47
  4. Step 4: Simplify right side
    75,459.85x = 2,184,479,719.62
  5. Step 5: Solve for x
    x = 2,184,479,719.62/75,459.85
  6. Step 6: Final answer
    x = 28,948.90

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