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Finding the Fourth Proportional to 146,651.49, 202,379.04 and 79,583.49

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Solution

The fourth proportional to 146,651.49, 202,379.04 and 79,583.49 is: 109,825.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,651.49 : 202,379.04 = 79,583.49 : x
  2. Step 2: Convert to fraction form
    146,651.49/202,379.04 = 79,583.49/x
  3. Step 3: Cross multiply
    146,651.49x = 202,379.04 × 79,583.49
  4. Step 4: Simplify right side
    146,651.49x = 16,106,030,306.05
  5. Step 5: Solve for x
    x = 16,106,030,306.05/146,651.49
  6. Step 6: Final answer
    x = 109,825.21

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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.