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Finding the Fourth Proportional to 251,847.42, 347,443.39 and 166,816.86

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Solution

The fourth proportional to 251,847.42, 347,443.39 and 166,816.86 is: 230,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,847.42 : 347,443.39 = 166,816.86 : x
  2. Step 2: Convert to fraction form
    251,847.42/347,443.39 = 166,816.86/x
  3. Step 3: Cross multiply
    251,847.42x = 347,443.39 × 166,816.86
  4. Step 4: Simplify right side
    251,847.42x = 57,959,415,347.56
  5. Step 5: Solve for x
    x = 57,959,415,347.56/251,847.42
  6. Step 6: Final answer
    x = 230,137.02

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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.