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Finding the Fourth Proportional to 151,404.20, 227,208.70 and 84,844.20

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Solution

The fourth proportional to 151,404.20, 227,208.70 and 84,844.20 is: 127,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,404.20 : 227,208.70 = 84,844.20 : x
  2. Step 2: Convert to fraction form
    151,404.20/227,208.70 = 84,844.20/x
  3. Step 3: Cross multiply
    151,404.20x = 227,208.70 × 84,844.20
  4. Step 4: Simplify right side
    151,404.20x = 19,277,340,384.54
  5. Step 5: Solve for x
    x = 19,277,340,384.54/151,404.20
  6. Step 6: Final answer
    x = 127,323.68

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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.