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Finding the Fourth Proportional to 146,873.25, 202,686.30 and 79,805.25

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Solution

The fourth proportional to 146,873.25, 202,686.30 and 79,805.25 is: 110,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,873.25 : 202,686.30 = 79,805.25 : x
  2. Step 2: Convert to fraction form
    146,873.25/202,686.30 = 79,805.25/x
  3. Step 3: Cross multiply
    146,873.25x = 202,686.30 × 79,805.25
  4. Step 4: Simplify right side
    146,873.25x = 16,175,430,843.08
  5. Step 5: Solve for x
    x = 16,175,430,843.08/146,873.25
  6. Step 6: Final answer
    x = 110,131.91

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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.