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Finding the Fourth Proportional to 154,841.80, 232,262.70 and 84,857.80

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Solution

The fourth proportional to 154,841.80, 232,262.70 and 84,857.80 is: 127,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,841.80 : 232,262.70 = 84,857.80 : x
  2. Step 2: Convert to fraction form
    154,841.80/232,262.70 = 84,857.80/x
  3. Step 3: Cross multiply
    154,841.80x = 232,262.70 × 84,857.80
  4. Step 4: Simplify right side
    154,841.80x = 19,709,301,744.06
  5. Step 5: Solve for x
    x = 19,709,301,744.06/154,841.80
  6. Step 6: Final answer
    x = 127,286.70

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