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Finding the Fourth Proportional to 96,830.90, 133,626.71 and 54,389.46

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Solution

The fourth proportional to 96,830.90, 133,626.71 and 54,389.46 is: 75,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,830.90 : 133,626.71 = 54,389.46 : x
  2. Step 2: Convert to fraction form
    96,830.90/133,626.71 = 54,389.46/x
  3. Step 3: Cross multiply
    96,830.90x = 133,626.71 × 54,389.46
  4. Step 4: Simplify right side
    96,830.90x = 7,267,884,734.45
  5. Step 5: Solve for x
    x = 7,267,884,734.45/96,830.90
  6. Step 6: Final answer
    x = 75,057.50

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