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Finding the Fourth Proportional to 254,105.42, 380,850.44 and 141,666.24

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Solution

The fourth proportional to 254,105.42, 380,850.44 and 141,666.24 is: 212,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,105.42 : 380,850.44 = 141,666.24 : x
  2. Step 2: Convert to fraction form
    254,105.42/380,850.44 = 141,666.24/x
  3. Step 3: Cross multiply
    254,105.42x = 380,850.44 × 141,666.24
  4. Step 4: Simplify right side
    254,105.42x = 53,953,649,837.15
  5. Step 5: Solve for x
    x = 53,953,649,837.15/254,105.42
  6. Step 6: Final answer
    x = 212,327.82

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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.