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Finding the Fourth Proportional to 248,872.80, 373,309.20 and 61,884.30

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Solution

The fourth proportional to 248,872.80, 373,309.20 and 61,884.30 is: 92,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,872.80 : 373,309.20 = 61,884.30 : x
  2. Step 2: Convert to fraction form
    248,872.80/373,309.20 = 61,884.30/x
  3. Step 3: Cross multiply
    248,872.80x = 373,309.20 × 61,884.30
  4. Step 4: Simplify right side
    248,872.80x = 23,101,978,525.56
  5. Step 5: Solve for x
    x = 23,101,978,525.56/248,872.80
  6. Step 6: Final answer
    x = 92,826.45

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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.