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Finding the Fourth Proportional to 248,446.88, 342,839.36 and 141,019.12

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Solution

The fourth proportional to 248,446.88, 342,839.36 and 141,019.12 is: 194,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,446.88 : 342,839.36 = 141,019.12 : x
  2. Step 2: Convert to fraction form
    248,446.88/342,839.36 = 141,019.12/x
  3. Step 3: Cross multiply
    248,446.88x = 342,839.36 × 141,019.12
  4. Step 4: Simplify right side
    248,446.88x = 48,346,904,848.56
  5. Step 5: Solve for x
    x = 48,346,904,848.56/248,446.88
  6. Step 6: Final answer
    x = 194,596.55

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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.