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Finding the Fourth Proportional to 98,856.51, 136,411.74 and 55,832.28

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Solution

The fourth proportional to 98,856.51, 136,411.74 and 55,832.28 is: 77,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,856.51 : 136,411.74 = 55,832.28 : x
  2. Step 2: Convert to fraction form
    98,856.51/136,411.74 = 55,832.28/x
  3. Step 3: Cross multiply
    98,856.51x = 136,411.74 × 55,832.28
  4. Step 4: Simplify right side
    98,856.51x = 7,616,178,462.97
  5. Step 5: Solve for x
    x = 7,616,178,462.97/98,856.51
  6. Step 6: Final answer
    x = 77,042.76

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