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Finding the Fourth Proportional to 78,384.18, 117,659.28 and 48,822.82

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Solution

The fourth proportional to 78,384.18, 117,659.28 and 48,822.82 is: 73,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,384.18 : 117,659.28 = 48,822.82 : x
  2. Step 2: Convert to fraction form
    78,384.18/117,659.28 = 48,822.82/x
  3. Step 3: Cross multiply
    78,384.18x = 117,659.28 × 48,822.82
  4. Step 4: Simplify right side
    78,384.18x = 5,744,457,848.77
  5. Step 5: Solve for x
    x = 5,744,457,848.77/78,384.18
  6. Step 6: Final answer
    x = 73,285.93

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