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Finding the Fourth Proportional to 79,178.30, 109,267.82 and 45,186.10

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Solution

The fourth proportional to 79,178.30, 109,267.82 and 45,186.10 is: 62,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,178.30 : 109,267.82 = 45,186.10 : x
  2. Step 2: Convert to fraction form
    79,178.30/109,267.82 = 45,186.10/x
  3. Step 3: Cross multiply
    79,178.30x = 109,267.82 × 45,186.10
  4. Step 4: Simplify right side
    79,178.30x = 4,937,386,641.30
  5. Step 5: Solve for x
    x = 4,937,386,641.30/79,178.30
  6. Step 6: Final answer
    x = 62,357.83

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