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Finding the Fourth Proportional to 89,891.72, 124,053.10 and 49,608.03

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Solution

The fourth proportional to 89,891.72, 124,053.10 and 49,608.03 is: 68,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,891.72 : 124,053.10 = 49,608.03 : x
  2. Step 2: Convert to fraction form
    89,891.72/124,053.10 = 49,608.03/x
  3. Step 3: Cross multiply
    89,891.72x = 124,053.10 × 49,608.03
  4. Step 4: Simplify right side
    89,891.72x = 6,154,029,549.77
  5. Step 5: Solve for x
    x = 6,154,029,549.77/89,891.72
  6. Step 6: Final answer
    x = 68,460.47

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