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Finding the Fourth Proportional to 99,108.16, 136,764.48 and 56,671.36

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Solution

The fourth proportional to 99,108.16, 136,764.48 and 56,671.36 is: 78,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,108.16 : 136,764.48 = 56,671.36 : x
  2. Step 2: Convert to fraction form
    99,108.16/136,764.48 = 56,671.36/x
  3. Step 3: Cross multiply
    99,108.16x = 136,764.48 × 56,671.36
  4. Step 4: Simplify right side
    99,108.16x = 7,750,629,081.29
  5. Step 5: Solve for x
    x = 7,750,629,081.29/99,108.16
  6. Step 6: Final answer
    x = 78,203.74

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