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Finding the Fourth Proportional to 151,704.80, 227,038.80 and 133,042.40

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Solution

The fourth proportional to 151,704.80, 227,038.80 and 133,042.40 is: 199,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,704.80 : 227,038.80 = 133,042.40 : x
  2. Step 2: Convert to fraction form
    151,704.80/227,038.80 = 133,042.40/x
  3. Step 3: Cross multiply
    151,704.80x = 227,038.80 × 133,042.40
  4. Step 4: Simplify right side
    151,704.80x = 30,205,786,845.12
  5. Step 5: Solve for x
    x = 30,205,786,845.12/151,704.80
  6. Step 6: Final answer
    x = 199,108.97

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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.