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Finding the Fourth Proportional to 165,850.65, 248,905.15 and 115,603.65

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Solution

The fourth proportional to 165,850.65, 248,905.15 and 115,603.65 is: 173,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,850.65 : 248,905.15 = 115,603.65 : x
  2. Step 2: Convert to fraction form
    165,850.65/248,905.15 = 115,603.65/x
  3. Step 3: Cross multiply
    165,850.65x = 248,905.15 × 115,603.65
  4. Step 4: Simplify right side
    165,850.65x = 28,774,342,599.27
  5. Step 5: Solve for x
    x = 28,774,342,599.27/165,850.65
  6. Step 6: Final answer
    x = 173,495.51

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