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Finding the Fourth Proportional to 199,364.36, 298,708.02 and 120,312.47

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Solution

The fourth proportional to 199,364.36, 298,708.02 and 120,312.47 is: 180,264.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,364.36 : 298,708.02 = 120,312.47 : x
  2. Step 2: Convert to fraction form
    199,364.36/298,708.02 = 120,312.47/x
  3. Step 3: Cross multiply
    199,364.36x = 298,708.02 × 120,312.47
  4. Step 4: Simplify right side
    199,364.36x = 35,938,300,441.78
  5. Step 5: Solve for x
    x = 35,938,300,441.78/199,364.36
  6. Step 6: Final answer
    x = 180,264.42

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