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Finding the Fourth Proportional to 60,176.46, 90,273.34 and 20,722.98

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Solution

The fourth proportional to 60,176.46, 90,273.34 and 20,722.98 is: 31,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,176.46 : 90,273.34 = 20,722.98 : x
  2. Step 2: Convert to fraction form
    60,176.46/90,273.34 = 20,722.98/x
  3. Step 3: Cross multiply
    60,176.46x = 90,273.34 × 20,722.98
  4. Step 4: Simplify right side
    60,176.46x = 1,870,732,619.35
  5. Step 5: Solve for x
    x = 1,870,732,619.35/60,176.46
  6. Step 6: Final answer
    x = 31,087.45

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