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Finding the Fourth Proportional to 101,920.40, 152,880.60 and 99,004.40

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Solution

The fourth proportional to 101,920.40, 152,880.60 and 99,004.40 is: 148,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,920.40 : 152,880.60 = 99,004.40 : x
  2. Step 2: Convert to fraction form
    101,920.40/152,880.60 = 99,004.40/x
  3. Step 3: Cross multiply
    101,920.40x = 152,880.60 × 99,004.40
  4. Step 4: Simplify right side
    101,920.40x = 15,135,852,074.64
  5. Step 5: Solve for x
    x = 15,135,852,074.64/101,920.40
  6. Step 6: Final answer
    x = 148,506.60

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