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Finding the Fourth Proportional to 115,249.14, 172,897.20 and 65,351.52

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Solution

The fourth proportional to 115,249.14, 172,897.20 and 65,351.52 is: 98,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,249.14 : 172,897.20 = 65,351.52 : x
  2. Step 2: Convert to fraction form
    115,249.14/172,897.20 = 65,351.52/x
  3. Step 3: Cross multiply
    115,249.14x = 172,897.20 × 65,351.52
  4. Step 4: Simplify right side
    115,249.14x = 11,299,094,823.74
  5. Step 5: Solve for x
    x = 11,299,094,823.74/115,249.14
  6. Step 6: Final answer
    x = 98,040.60

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