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Finding the Fourth Proportional to 170,846.40, 256,269.60 and 168,513.60

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Solution

The fourth proportional to 170,846.40, 256,269.60 and 168,513.60 is: 252,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,846.40 : 256,269.60 = 168,513.60 : x
  2. Step 2: Convert to fraction form
    170,846.40/256,269.60 = 168,513.60/x
  3. Step 3: Cross multiply
    170,846.40x = 256,269.60 × 168,513.60
  4. Step 4: Simplify right side
    170,846.40x = 43,184,912,866.56
  5. Step 5: Solve for x
    x = 43,184,912,866.56/170,846.40
  6. Step 6: Final answer
    x = 252,770.40

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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.