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Finding the Fourth Proportional to 210,423.83, 290,384.88 and 114,930.75

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Solution

The fourth proportional to 210,423.83, 290,384.88 and 114,930.75 is: 158,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,423.83 : 290,384.88 = 114,930.75 : x
  2. Step 2: Convert to fraction form
    210,423.83/290,384.88 = 114,930.75/x
  3. Step 3: Cross multiply
    210,423.83x = 290,384.88 × 114,930.75
  4. Step 4: Simplify right side
    210,423.83x = 33,374,150,527.13
  5. Step 5: Solve for x
    x = 33,374,150,527.13/210,423.83
  6. Step 6: Final answer
    x = 158,604.43

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