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Finding the Fourth Proportional to 218,823.40, 328,235.10 and 94,164.40

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Solution

The fourth proportional to 218,823.40, 328,235.10 and 94,164.40 is: 141,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,823.40 : 328,235.10 = 94,164.40 : x
  2. Step 2: Convert to fraction form
    218,823.40/328,235.10 = 94,164.40/x
  3. Step 3: Cross multiply
    218,823.40x = 328,235.10 × 94,164.40
  4. Step 4: Simplify right side
    218,823.40x = 30,908,061,250.44
  5. Step 5: Solve for x
    x = 30,908,061,250.44/218,823.40
  6. Step 6: Final answer
    x = 141,246.60

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