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Finding the Fourth Proportional to 270,374.76, 405,499.23 and 101,912.04

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Solution

The fourth proportional to 270,374.76, 405,499.23 and 101,912.04 is: 152,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,374.76 : 405,499.23 = 101,912.04 : x
  2. Step 2: Convert to fraction form
    270,374.76/405,499.23 = 101,912.04/x
  3. Step 3: Cross multiply
    270,374.76x = 405,499.23 × 101,912.04
  4. Step 4: Simplify right side
    270,374.76x = 41,325,253,747.73
  5. Step 5: Solve for x
    x = 41,325,253,747.73/270,374.76
  6. Step 6: Final answer
    x = 152,844.35

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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.