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Finding the Fourth Proportional to 109,417.20, 164,125.80 and 93,670.80

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Solution

The fourth proportional to 109,417.20, 164,125.80 and 93,670.80 is: 140,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,417.20 : 164,125.80 = 93,670.80 : x
  2. Step 2: Convert to fraction form
    109,417.20/164,125.80 = 93,670.80/x
  3. Step 3: Cross multiply
    109,417.20x = 164,125.80 × 93,670.80
  4. Step 4: Simplify right side
    109,417.20x = 15,373,794,986.64
  5. Step 5: Solve for x
    x = 15,373,794,986.64/109,417.20
  6. Step 6: Final answer
    x = 140,506.20

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