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Finding the Fourth Proportional to 101,753.62, 140,415.06 and 56,433.40

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Solution

The fourth proportional to 101,753.62, 140,415.06 and 56,433.40 is: 77,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,753.62 : 140,415.06 = 56,433.40 : x
  2. Step 2: Convert to fraction form
    101,753.62/140,415.06 = 56,433.40/x
  3. Step 3: Cross multiply
    101,753.62x = 140,415.06 × 56,433.40
  4. Step 4: Simplify right side
    101,753.62x = 7,924,099,247.00
  5. Step 5: Solve for x
    x = 7,924,099,247.00/101,753.62
  6. Step 6: Final answer
    x = 77,875.35

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