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Finding the Fourth Proportional to 92,579.52, 138,876.48 and 30,256.32

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Solution

The fourth proportional to 92,579.52, 138,876.48 and 30,256.32 is: 45,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,579.52 : 138,876.48 = 30,256.32 : x
  2. Step 2: Convert to fraction form
    92,579.52/138,876.48 = 30,256.32/x
  3. Step 3: Cross multiply
    92,579.52x = 138,876.48 × 30,256.32
  4. Step 4: Simplify right side
    92,579.52x = 4,201,891,219.35
  5. Step 5: Solve for x
    x = 4,201,891,219.35/92,579.52
  6. Step 6: Final answer
    x = 45,386.83

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