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Finding the Fourth Proportional to 233,837.20, 350,820.60 and 155,105.20

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Solution

The fourth proportional to 233,837.20, 350,820.60 and 155,105.20 is: 232,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,837.20 : 350,820.60 = 155,105.20 : x
  2. Step 2: Convert to fraction form
    233,837.20/350,820.60 = 155,105.20/x
  3. Step 3: Cross multiply
    233,837.20x = 350,820.60 × 155,105.20
  4. Step 4: Simplify right side
    233,837.20x = 54,414,099,327.12
  5. Step 5: Solve for x
    x = 54,414,099,327.12/233,837.20
  6. Step 6: Final answer
    x = 232,700.78

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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.