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Finding the Fourth Proportional to 48,066.56, 72,099.84 and 31,440.57

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Solution

The fourth proportional to 48,066.56, 72,099.84 and 31,440.57 is: 47,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,066.56 : 72,099.84 = 31,440.57 : x
  2. Step 2: Convert to fraction form
    48,066.56/72,099.84 = 31,440.57/x
  3. Step 3: Cross multiply
    48,066.56x = 72,099.84 × 31,440.57
  4. Step 4: Simplify right side
    48,066.56x = 2,266,860,066.51
  5. Step 5: Solve for x
    x = 2,266,860,066.51/48,066.56
  6. Step 6: Final answer
    x = 47,160.86

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