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Finding the Fourth Proportional to 99,063.17, 148,631.75 and 39,915.62

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Solution

The fourth proportional to 99,063.17, 148,631.75 and 39,915.62 is: 59,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,063.17 : 148,631.75 = 39,915.62 : x
  2. Step 2: Convert to fraction form
    99,063.17/148,631.75 = 39,915.62/x
  3. Step 3: Cross multiply
    99,063.17x = 148,631.75 × 39,915.62
  4. Step 4: Simplify right side
    99,063.17x = 5,932,728,452.94
  5. Step 5: Solve for x
    x = 5,932,728,452.94/99,063.17
  6. Step 6: Final answer
    x = 59,888.34

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