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Finding the Fourth Proportional to 170,768.40, 256,152.60 and 165,847.65

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Solution

The fourth proportional to 170,768.40, 256,152.60 and 165,847.65 is: 248,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,768.40 : 256,152.60 = 165,847.65 : x
  2. Step 2: Convert to fraction form
    170,768.40/256,152.60 = 165,847.65/x
  3. Step 3: Cross multiply
    170,768.40x = 256,152.60 × 165,847.65
  4. Step 4: Simplify right side
    170,768.40x = 42,482,306,751.39
  5. Step 5: Solve for x
    x = 42,482,306,751.39/170,768.40
  6. Step 6: Final answer
    x = 248,771.48

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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.