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Finding the Fourth Proportional to 151,903.80, 227,855.70 and 122,379.30

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Solution

The fourth proportional to 151,903.80, 227,855.70 and 122,379.30 is: 183,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,903.80 : 227,855.70 = 122,379.30 : x
  2. Step 2: Convert to fraction form
    151,903.80/227,855.70 = 122,379.30/x
  3. Step 3: Cross multiply
    151,903.80x = 227,855.70 × 122,379.30
  4. Step 4: Simplify right side
    151,903.80x = 27,884,821,067.01
  5. Step 5: Solve for x
    x = 27,884,821,067.01/151,903.80
  6. Step 6: Final answer
    x = 183,568.95

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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.