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Finding the Fourth Proportional to 139,243.04, 208,883.76 and 45,758.24

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Solution

The fourth proportional to 139,243.04, 208,883.76 and 45,758.24 is: 68,643.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,243.04 : 208,883.76 = 45,758.24 : x
  2. Step 2: Convert to fraction form
    139,243.04/208,883.76 = 45,758.24/x
  3. Step 3: Cross multiply
    139,243.04x = 208,883.76 × 45,758.24
  4. Step 4: Simplify right side
    139,243.04x = 9,558,153,222.18
  5. Step 5: Solve for x
    x = 9,558,153,222.18/139,243.04
  6. Step 6: Final answer
    x = 68,643.67

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