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Finding the Fourth Proportional to 200,920.42, 301,380.63 and 76,261.42

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Solution

The fourth proportional to 200,920.42, 301,380.63 and 76,261.42 is: 114,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,920.42 : 301,380.63 = 76,261.42 : x
  2. Step 2: Convert to fraction form
    200,920.42/301,380.63 = 76,261.42/x
  3. Step 3: Cross multiply
    200,920.42x = 301,380.63 × 76,261.42
  4. Step 4: Simplify right side
    200,920.42x = 22,983,714,804.29
  5. Step 5: Solve for x
    x = 22,983,714,804.29/200,920.42
  6. Step 6: Final answer
    x = 114,392.13

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