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Finding the Fourth Proportional to 124,840.86, 172,281.15 and 68,252.46

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Solution

The fourth proportional to 124,840.86, 172,281.15 and 68,252.46 is: 94,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,840.86 : 172,281.15 = 68,252.46 : x
  2. Step 2: Convert to fraction form
    124,840.86/172,281.15 = 68,252.46/x
  3. Step 3: Cross multiply
    124,840.86x = 172,281.15 × 68,252.46
  4. Step 4: Simplify right side
    124,840.86x = 11,758,612,299.13
  5. Step 5: Solve for x
    x = 11,758,612,299.13/124,840.86
  6. Step 6: Final answer
    x = 94,188.81

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