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Finding the Fourth Proportional to 98,546.88, 136,005.50 and 56,098.56

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Solution

The fourth proportional to 98,546.88, 136,005.50 and 56,098.56 is: 77,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,546.88 : 136,005.50 = 56,098.56 : x
  2. Step 2: Convert to fraction form
    98,546.88/136,005.50 = 56,098.56/x
  3. Step 3: Cross multiply
    98,546.88x = 136,005.50 × 56,098.56
  4. Step 4: Simplify right side
    98,546.88x = 7,629,712,702.08
  5. Step 5: Solve for x
    x = 7,629,712,702.08/98,546.88
  6. Step 6: Final answer
    x = 77,422.16

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