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Finding the Fourth Proportional to 146,806.80, 203,632.80 and 141,771.84

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Solution

The fourth proportional to 146,806.80, 203,632.80 and 141,771.84 is: 196,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,806.80 : 203,632.80 = 141,771.84 : x
  2. Step 2: Convert to fraction form
    146,806.80/203,632.80 = 141,771.84/x
  3. Step 3: Cross multiply
    146,806.80x = 203,632.80 × 141,771.84
  4. Step 4: Simplify right side
    146,806.80x = 28,869,396,740.35
  5. Step 5: Solve for x
    x = 28,869,396,740.35/146,806.80
  6. Step 6: Final answer
    x = 196,648.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.