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Finding the Fourth Proportional to 141,663.84, 212,651.44 and 79,386.72

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Solution

The fourth proportional to 141,663.84, 212,651.44 and 79,386.72 is: 119,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,663.84 : 212,651.44 = 79,386.72 : x
  2. Step 2: Convert to fraction form
    141,663.84/212,651.44 = 79,386.72/x
  3. Step 3: Cross multiply
    141,663.84x = 212,651.44 × 79,386.72
  4. Step 4: Simplify right side
    141,663.84x = 16,881,700,324.88
  5. Step 5: Solve for x
    x = 16,881,700,324.88/141,663.84
  6. Step 6: Final answer
    x = 119,167.32

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