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Finding the Fourth Proportional to 227,610.63, 340,977.78 and 142,254.86

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Solution

The fourth proportional to 227,610.63, 340,977.78 and 142,254.86 is: 213,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,610.63 : 340,977.78 = 142,254.86 : x
  2. Step 2: Convert to fraction form
    227,610.63/340,977.78 = 142,254.86/x
  3. Step 3: Cross multiply
    227,610.63x = 340,977.78 × 142,254.86
  4. Step 4: Simplify right side
    227,610.63x = 48,505,744,652.12
  5. Step 5: Solve for x
    x = 48,505,744,652.12/227,610.63
  6. Step 6: Final answer
    x = 213,108.43

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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.