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Finding the Fourth Proportional to 313,630.80, 470,475.35 and 88,996.74

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Solution

The fourth proportional to 313,630.80, 470,475.35 and 88,996.74 is: 133,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,630.80 : 470,475.35 = 88,996.74 : x
  2. Step 2: Convert to fraction form
    313,630.80/470,475.35 = 88,996.74/x
  3. Step 3: Cross multiply
    313,630.80x = 470,475.35 × 88,996.74
  4. Step 4: Simplify right side
    313,630.80x = 41,870,771,955.38
  5. Step 5: Solve for x
    x = 41,870,771,955.38/313,630.80
  6. Step 6: Final answer
    x = 133,503.38

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