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Finding the Fourth Proportional to 170,793.40, 256,190.10 and 168,460.60

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Solution

The fourth proportional to 170,793.40, 256,190.10 and 168,460.60 is: 252,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,793.40 : 256,190.10 = 168,460.60 : x
  2. Step 2: Convert to fraction form
    170,793.40/256,190.10 = 168,460.60/x
  3. Step 3: Cross multiply
    170,793.40x = 256,190.10 × 168,460.60
  4. Step 4: Simplify right side
    170,793.40x = 43,157,937,960.06
  5. Step 5: Solve for x
    x = 43,157,937,960.06/170,793.40
  6. Step 6: Final answer
    x = 252,690.90

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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.