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Finding the Fourth Proportional to 248,847.96, 343,411.74 and 135,672.60

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Solution

The fourth proportional to 248,847.96, 343,411.74 and 135,672.60 is: 187,229.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,847.96 : 343,411.74 = 135,672.60 : x
  2. Step 2: Convert to fraction form
    248,847.96/343,411.74 = 135,672.60/x
  3. Step 3: Cross multiply
    248,847.96x = 343,411.74 × 135,672.60
  4. Step 4: Simplify right side
    248,847.96x = 46,591,563,636.32
  5. Step 5: Solve for x
    x = 46,591,563,636.32/248,847.96
  6. Step 6: Final answer
    x = 187,229.04

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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.