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Finding the Fourth Proportional to 146,958.63, 202,802.85 and 79,890.63

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Solution

The fourth proportional to 146,958.63, 202,802.85 and 79,890.63 is: 110,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,958.63 : 202,802.85 = 79,890.63 : x
  2. Step 2: Convert to fraction form
    146,958.63/202,802.85 = 79,890.63/x
  3. Step 3: Cross multiply
    146,958.63x = 202,802.85 × 79,890.63
  4. Step 4: Simplify right side
    146,958.63x = 16,202,047,452.30
  5. Step 5: Solve for x
    x = 16,202,047,452.30/146,958.63
  6. Step 6: Final answer
    x = 110,249.04

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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.