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Finding the Fourth Proportional to 61,882.76, 85,400.12 and 36,384.50

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Solution

The fourth proportional to 61,882.76, 85,400.12 and 36,384.50 is: 50,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,882.76 : 85,400.12 = 36,384.50 : x
  2. Step 2: Convert to fraction form
    61,882.76/85,400.12 = 36,384.50/x
  3. Step 3: Cross multiply
    61,882.76x = 85,400.12 × 36,384.50
  4. Step 4: Simplify right side
    61,882.76x = 3,107,240,666.14
  5. Step 5: Solve for x
    x = 3,107,240,666.14/61,882.76
  6. Step 6: Final answer
    x = 50,211.73

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