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Finding the Fourth Proportional to 218,168.68, 326,825.34 and 113,056.60

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Solution

The fourth proportional to 218,168.68, 326,825.34 and 113,056.60 is: 169,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,168.68 : 326,825.34 = 113,056.60 : x
  2. Step 2: Convert to fraction form
    218,168.68/326,825.34 = 113,056.60/x
  3. Step 3: Cross multiply
    218,168.68x = 326,825.34 × 113,056.60
  4. Step 4: Simplify right side
    218,168.68x = 36,949,761,734.24
  5. Step 5: Solve for x
    x = 36,949,761,734.24/218,168.68
  6. Step 6: Final answer
    x = 169,363.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.