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Finding the Fourth Proportional to 76,841.52, 115,314.12 and 30,088.56

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Solution

The fourth proportional to 76,841.52, 115,314.12 and 30,088.56 is: 45,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,841.52 : 115,314.12 = 30,088.56 : x
  2. Step 2: Convert to fraction form
    76,841.52/115,314.12 = 30,088.56/x
  3. Step 3: Cross multiply
    76,841.52x = 115,314.12 × 30,088.56
  4. Step 4: Simplify right side
    76,841.52x = 3,469,635,818.47
  5. Step 5: Solve for x
    x = 3,469,635,818.47/76,841.52
  6. Step 6: Final answer
    x = 45,153.14

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