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Finding the Fourth Proportional to 248,527.91, 342,978.23 and 141,107.94

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Solution

The fourth proportional to 248,527.91, 342,978.23 and 141,107.94 is: 194,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,527.91 : 342,978.23 = 141,107.94 : x
  2. Step 2: Convert to fraction form
    248,527.91/342,978.23 = 141,107.94/x
  3. Step 3: Cross multiply
    248,527.91x = 342,978.23 × 141,107.94
  4. Step 4: Simplify right side
    248,527.91x = 48,396,951,500.15
  5. Step 5: Solve for x
    x = 48,396,951,500.15/248,527.91
  6. Step 6: Final answer
    x = 194,734.47

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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.