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Finding the Fourth Proportional to 268,674.79, 370,771.19 and 147,813.48

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Solution

The fourth proportional to 268,674.79, 370,771.19 and 147,813.48 is: 203,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,674.79 : 370,771.19 = 147,813.48 : x
  2. Step 2: Convert to fraction form
    268,674.79/370,771.19 = 147,813.48/x
  3. Step 3: Cross multiply
    268,674.79x = 370,771.19 × 147,813.48
  4. Step 4: Simplify right side
    268,674.79x = 54,804,979,171.48
  5. Step 5: Solve for x
    x = 54,804,979,171.48/268,674.79
  6. Step 6: Final answer
    x = 203,982.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.