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Finding the Fourth Proportional to 123,486.34, 185,256.85 and 39,272.26

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Solution

The fourth proportional to 123,486.34, 185,256.85 and 39,272.26 is: 58,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,486.34 : 185,256.85 = 39,272.26 : x
  2. Step 2: Convert to fraction form
    123,486.34/185,256.85 = 39,272.26/x
  3. Step 3: Cross multiply
    123,486.34x = 185,256.85 × 39,272.26
  4. Step 4: Simplify right side
    123,486.34x = 7,275,455,081.80
  5. Step 5: Solve for x
    x = 7,275,455,081.80/123,486.34
  6. Step 6: Final answer
    x = 58,917.08

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