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Finding the Fourth Proportional to 112,683.20, 169,024.80 and 111,646.40

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Solution

The fourth proportional to 112,683.20, 169,024.80 and 111,646.40 is: 167,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,683.20 : 169,024.80 = 111,646.40 : x
  2. Step 2: Convert to fraction form
    112,683.20/169,024.80 = 111,646.40/x
  3. Step 3: Cross multiply
    112,683.20x = 169,024.80 × 111,646.40
  4. Step 4: Simplify right side
    112,683.20x = 18,871,010,430.72
  5. Step 5: Solve for x
    x = 18,871,010,430.72/112,683.20
  6. Step 6: Final answer
    x = 167,469.60

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