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Finding the Fourth Proportional to 136,420.70, 205,068.45 and 97,249.10

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Solution

The fourth proportional to 136,420.70, 205,068.45 and 97,249.10 is: 146,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,420.70 : 205,068.45 = 97,249.10 : x
  2. Step 2: Convert to fraction form
    136,420.70/205,068.45 = 97,249.10/x
  3. Step 3: Cross multiply
    136,420.70x = 205,068.45 × 97,249.10
  4. Step 4: Simplify right side
    136,420.70x = 19,942,722,200.90
  5. Step 5: Solve for x
    x = 19,942,722,200.90/136,420.70
  6. Step 6: Final answer
    x = 146,185.46

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