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Finding the Fourth Proportional to 233,402.20, 350,054.70 and 100,286.80

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Solution

The fourth proportional to 233,402.20, 350,054.70 and 100,286.80 is: 150,409.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,402.20 : 350,054.70 = 100,286.80 : x
  2. Step 2: Convert to fraction form
    233,402.20/350,054.70 = 100,286.80/x
  3. Step 3: Cross multiply
    233,402.20x = 350,054.70 × 100,286.80
  4. Step 4: Simplify right side
    233,402.20x = 35,105,865,687.96
  5. Step 5: Solve for x
    x = 35,105,865,687.96/233,402.20
  6. Step 6: Final answer
    x = 150,409.32

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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.