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Finding the Fourth Proportional to 151,714.40, 227,134.20 and 134,218.40

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Solution

The fourth proportional to 151,714.40, 227,134.20 and 134,218.40 is: 200,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714.40 : 227,134.20 = 134,218.40 : x
  2. Step 2: Convert to fraction form
    151,714.40/227,134.20 = 134,218.40/x
  3. Step 3: Cross multiply
    151,714.40x = 227,134.20 × 134,218.40
  4. Step 4: Simplify right side
    151,714.40x = 30,485,588,909.28
  5. Step 5: Solve for x
    x = 30,485,588,909.28/151,714.40
  6. Step 6: Final answer
    x = 200,940.64

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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.