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Finding the Fourth Proportional to 124,140.75, 171,312.79 and 67,551.15

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Solution

The fourth proportional to 124,140.75, 171,312.79 and 67,551.15 is: 93,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,140.75 : 171,312.79 = 67,551.15 : x
  2. Step 2: Convert to fraction form
    124,140.75/171,312.79 = 67,551.15/x
  3. Step 3: Cross multiply
    124,140.75x = 171,312.79 × 67,551.15
  4. Step 4: Simplify right side
    124,140.75x = 11,572,375,974.21
  5. Step 5: Solve for x
    x = 11,572,375,974.21/124,140.75
  6. Step 6: Final answer
    x = 93,219.80

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