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Finding the Fourth Proportional to 254,229.68, 350,750.06 and 145,255.83

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Solution

The fourth proportional to 254,229.68, 350,750.06 and 145,255.83 is: 200,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,229.68 : 350,750.06 = 145,255.83 : x
  2. Step 2: Convert to fraction form
    254,229.68/350,750.06 = 145,255.83/x
  3. Step 3: Cross multiply
    254,229.68x = 350,750.06 × 145,255.83
  4. Step 4: Simplify right side
    254,229.68x = 50,948,491,902.71
  5. Step 5: Solve for x
    x = 50,948,491,902.71/254,229.68
  6. Step 6: Final answer
    x = 200,403.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.