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Finding the Fourth Proportional to 248,627.72, 373,058.22 and 123,978.44

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Solution

The fourth proportional to 248,627.72, 373,058.22 and 123,978.44 is: 186,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,627.72 : 373,058.22 = 123,978.44 : x
  2. Step 2: Convert to fraction form
    248,627.72/373,058.22 = 123,978.44/x
  3. Step 3: Cross multiply
    248,627.72x = 373,058.22 × 123,978.44
  4. Step 4: Simplify right side
    248,627.72x = 46,251,176,144.78
  5. Step 5: Solve for x
    x = 46,251,176,144.78/248,627.72
  6. Step 6: Final answer
    x = 186,025.82

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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.