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Finding the Fourth Proportional to 98,932.93, 148,153.23 and 69,211.60

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Solution

The fourth proportional to 98,932.93, 148,153.23 and 69,211.60 is: 103,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,932.93 : 148,153.23 = 69,211.60 : x
  2. Step 2: Convert to fraction form
    98,932.93/148,153.23 = 69,211.60/x
  3. Step 3: Cross multiply
    98,932.93x = 148,153.23 × 69,211.60
  4. Step 4: Simplify right side
    98,932.93x = 10,253,922,093.47
  5. Step 5: Solve for x
    x = 10,253,922,093.47/98,932.93
  6. Step 6: Final answer
    x = 103,645.19

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