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Finding the Fourth Proportional to 248,374.96, 342,757.92 and 135,197.44

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Solution

The fourth proportional to 248,374.96, 342,757.92 and 135,197.44 is: 186,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,374.96 : 342,757.92 = 135,197.44 : x
  2. Step 2: Convert to fraction form
    248,374.96/342,757.92 = 135,197.44/x
  3. Step 3: Cross multiply
    248,374.96x = 342,757.92 × 135,197.44
  4. Step 4: Simplify right side
    248,374.96x = 46,339,993,323.72
  5. Step 5: Solve for x
    x = 46,339,993,323.72/248,374.96
  6. Step 6: Final answer
    x = 186,572.73

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1.5x scale

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.