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Finding the Fourth Proportional to 251,221.50, 346,685.85 and 138,045.06

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Solution

The fourth proportional to 251,221.50, 346,685.85 and 138,045.06 is: 190,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,221.50 : 346,685.85 = 138,045.06 : x
  2. Step 2: Convert to fraction form
    251,221.50/346,685.85 = 138,045.06/x
  3. Step 3: Cross multiply
    251,221.50x = 346,685.85 × 138,045.06
  4. Step 4: Simplify right side
    251,221.50x = 47,858,268,964.40
  5. Step 5: Solve for x
    x = 47,858,268,964.40/251,221.50
  6. Step 6: Final answer
    x = 190,502.28

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