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Finding the Fourth Proportional to 75,624.72, 104,360.64 and 47,346

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Solution

The fourth proportional to 75,624.72, 104,360.64 and 47,346 is: 65,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,624.72 : 104,360.64 = 47,346 : x
  2. Step 2: Convert to fraction form
    75,624.72/104,360.64 = 47,346/x
  3. Step 3: Cross multiply
    75,624.72x = 104,360.64 × 47,346
  4. Step 4: Simplify right side
    75,624.72x = 4,941,058,861.44
  5. Step 5: Solve for x
    x = 4,941,058,861.44/75,624.72
  6. Step 6: Final answer
    x = 65,336.56

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