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Finding the Fourth Proportional to 170,847.20, 256,270.80 and 162,293.60

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Solution

The fourth proportional to 170,847.20, 256,270.80 and 162,293.60 is: 243,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,847.20 : 256,270.80 = 162,293.60 : x
  2. Step 2: Convert to fraction form
    170,847.20/256,270.80 = 162,293.60/x
  3. Step 3: Cross multiply
    170,847.20x = 256,270.80 × 162,293.60
  4. Step 4: Simplify right side
    170,847.20x = 41,591,110,706.88
  5. Step 5: Solve for x
    x = 41,591,110,706.88/170,847.20
  6. Step 6: Final answer
    x = 243,440.40

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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.