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Finding the Fourth Proportional to 265,080.96, 397,608.48 and 98,856

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Solution

The fourth proportional to 265,080.96, 397,608.48 and 98,856 is: 148,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,080.96 : 397,608.48 = 98,856 : x
  2. Step 2: Convert to fraction form
    265,080.96/397,608.48 = 98,856/x
  3. Step 3: Cross multiply
    265,080.96x = 397,608.48 × 98,856
  4. Step 4: Simplify right side
    265,080.96x = 39,305,983,898.88
  5. Step 5: Solve for x
    x = 39,305,983,898.88/265,080.96
  6. Step 6: Final answer
    x = 148,279.17

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