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Finding the Fourth Proportional to 248,873.94, 343,446.12 and 141,441.20

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Solution

The fourth proportional to 248,873.94, 343,446.12 and 141,441.20 is: 195,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,873.94 : 343,446.12 = 141,441.20 : x
  2. Step 2: Convert to fraction form
    248,873.94/343,446.12 = 141,441.20/x
  3. Step 3: Cross multiply
    248,873.94x = 343,446.12 × 141,441.20
  4. Step 4: Simplify right side
    248,873.94x = 48,577,431,348.14
  5. Step 5: Solve for x
    x = 48,577,431,348.14/248,873.94
  6. Step 6: Final answer
    x = 195,188.90

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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.