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Finding the Fourth Proportional to 146,651.68, 202,379.31 and 79,583.68

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Solution

The fourth proportional to 146,651.68, 202,379.31 and 79,583.68 is: 109,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,651.68 : 202,379.31 = 79,583.68 : x
  2. Step 2: Convert to fraction form
    146,651.68/202,379.31 = 79,583.68/x
  3. Step 3: Cross multiply
    146,651.68x = 202,379.31 × 79,583.68
  4. Step 4: Simplify right side
    146,651.68x = 16,106,090,245.66
  5. Step 5: Solve for x
    x = 16,106,090,245.66/146,651.68
  6. Step 6: Final answer
    x = 109,825.47

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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.