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Finding the Fourth Proportional to 74,475.76, 102,773.72 and 42,647.64

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Solution

The fourth proportional to 74,475.76, 102,773.72 and 42,647.64 is: 58,852.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,475.76 : 102,773.72 = 42,647.64 : x
  2. Step 2: Convert to fraction form
    74,475.76/102,773.72 = 42,647.64/x
  3. Step 3: Cross multiply
    74,475.76x = 102,773.72 × 42,647.64
  4. Step 4: Simplify right side
    74,475.76x = 4,383,056,612.02
  5. Step 5: Solve for x
    x = 4,383,056,612.02/74,475.76
  6. Step 6: Final answer
    x = 58,852.12

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