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Finding the Fourth Proportional to 112,025.40, 168,038.10 and 111,247.80

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Solution

The fourth proportional to 112,025.40, 168,038.10 and 111,247.80 is: 166,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,025.40 : 168,038.10 = 111,247.80 : x
  2. Step 2: Convert to fraction form
    112,025.40/168,038.10 = 111,247.80/x
  3. Step 3: Cross multiply
    112,025.40x = 168,038.10 × 111,247.80
  4. Step 4: Simplify right side
    112,025.40x = 18,693,868,941.18
  5. Step 5: Solve for x
    x = 18,693,868,941.18/112,025.40
  6. Step 6: Final answer
    x = 166,871.70

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