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Finding the Fourth Proportional to 268,601.69, 370,662.49 and 147,742.94

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Solution

The fourth proportional to 268,601.69, 370,662.49 and 147,742.94 is: 203,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,601.69 : 370,662.49 = 147,742.94 : x
  2. Step 2: Convert to fraction form
    268,601.69/370,662.49 = 147,742.94/x
  3. Step 3: Cross multiply
    268,601.69x = 370,662.49 × 147,742.94
  4. Step 4: Simplify right side
    268,601.69x = 54,762,766,020.32
  5. Step 5: Solve for x
    x = 54,762,766,020.32/268,601.69
  6. Step 6: Final answer
    x = 203,880.94

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Why These Related Problems?

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