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Finding the Fourth Proportional to 139,764.25, 209,679.18 and 46,270

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Solution

The fourth proportional to 139,764.25, 209,679.18 and 46,270 is: 69,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,764.25 : 209,679.18 = 46,270 : x
  2. Step 2: Convert to fraction form
    139,764.25/209,679.18 = 46,270/x
  3. Step 3: Cross multiply
    139,764.25x = 209,679.18 × 46,270
  4. Step 4: Simplify right side
    139,764.25x = 9,701,855,658.60
  5. Step 5: Solve for x
    x = 9,701,855,658.60/139,764.25
  6. Step 6: Final answer
    x = 69,415.86

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