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Finding the Fourth Proportional to 123,278.76, 184,872.78 and 44,371.88

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Solution

The fourth proportional to 123,278.76, 184,872.78 and 44,371.88 is: 66,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,278.76 : 184,872.78 = 44,371.88 : x
  2. Step 2: Convert to fraction form
    123,278.76/184,872.78 = 44,371.88/x
  3. Step 3: Cross multiply
    123,278.76x = 184,872.78 × 44,371.88
  4. Step 4: Simplify right side
    123,278.76x = 8,203,152,809.43
  5. Step 5: Solve for x
    x = 8,203,152,809.43/123,278.76
  6. Step 6: Final answer
    x = 66,541.49

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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.