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Finding the Fourth Proportional to 248,809, 343,356.52 and 141,379.16

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Solution

The fourth proportional to 248,809, 343,356.52 and 141,379.16 is: 195,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,809 : 343,356.52 = 141,379.16 : x
  2. Step 2: Convert to fraction form
    248,809/343,356.52 = 141,379.16/x
  3. Step 3: Cross multiply
    248,809x = 343,356.52 × 141,379.16
  4. Step 4: Simplify right side
    248,809x = 48,543,456,378.12
  5. Step 5: Solve for x
    x = 48,543,456,378.12/248,809
  6. Step 6: Final answer
    x = 195,103.30

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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.