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Finding the Fourth Proportional to 139,952.20, 209,793.90 and 46,409.80

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Solution

The fourth proportional to 139,952.20, 209,793.90 and 46,409.80 is: 69,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,952.20 : 209,793.90 = 46,409.80 : x
  2. Step 2: Convert to fraction form
    139,952.20/209,793.90 = 46,409.80/x
  3. Step 3: Cross multiply
    139,952.20x = 209,793.90 × 46,409.80
  4. Step 4: Simplify right side
    139,952.20x = 9,736,492,940.22
  5. Step 5: Solve for x
    x = 9,736,492,940.22/139,952.20
  6. Step 6: Final answer
    x = 69,570.13

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