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Finding the Fourth Proportional to 179,369.25, 268,960.40 and 66,957.01

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Solution

The fourth proportional to 179,369.25, 268,960.40 and 66,957.01 is: 100,400.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,369.25 : 268,960.40 = 66,957.01 : x
  2. Step 2: Convert to fraction form
    179,369.25/268,960.40 = 66,957.01/x
  3. Step 3: Cross multiply
    179,369.25x = 268,960.40 × 66,957.01
  4. Step 4: Simplify right side
    179,369.25x = 18,008,783,436.31
  5. Step 5: Solve for x
    x = 18,008,783,436.31/179,369.25
  6. Step 6: Final answer
    x = 100,400.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.