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Finding the Fourth Proportional to 248,883.88, 373,344.54 and 71,389.48

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Solution

The fourth proportional to 248,883.88, 373,344.54 and 71,389.48 is: 107,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,883.88 : 373,344.54 = 71,389.48 : x
  2. Step 2: Convert to fraction form
    248,883.88/373,344.54 = 71,389.48/x
  3. Step 3: Cross multiply
    248,883.88x = 373,344.54 × 71,389.48
  4. Step 4: Simplify right side
    248,883.88x = 26,652,872,571.44
  5. Step 5: Solve for x
    x = 26,652,872,571.44/248,883.88
  6. Step 6: Final answer
    x = 107,089.59

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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.