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Finding the Fourth Proportional to 248,855.55, 373,283.33 and 154,161.15

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Solution

The fourth proportional to 248,855.55, 373,283.33 and 154,161.15 is: 231,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,855.55 : 373,283.33 = 154,161.15 : x
  2. Step 2: Convert to fraction form
    248,855.55/373,283.33 = 154,161.15/x
  3. Step 3: Cross multiply
    248,855.55x = 373,283.33 × 154,161.15
  4. Step 4: Simplify right side
    248,855.55x = 57,545,786,657.82
  5. Step 5: Solve for x
    x = 57,545,786,657.82/248,855.55
  6. Step 6: Final answer
    x = 231,241.73

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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.