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Finding the Fourth Proportional to 120,488.16, 166,275.06 and 66,774.12

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Solution

The fourth proportional to 120,488.16, 166,275.06 and 66,774.12 is: 92,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,488.16 : 166,275.06 = 66,774.12 : x
  2. Step 2: Convert to fraction form
    120,488.16/166,275.06 = 66,774.12/x
  3. Step 3: Cross multiply
    120,488.16x = 166,275.06 × 66,774.12
  4. Step 4: Simplify right side
    120,488.16x = 11,102,870,809.45
  5. Step 5: Solve for x
    x = 11,102,870,809.45/120,488.16
  6. Step 6: Final answer
    x = 92,149.06

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