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Finding the Fourth Proportional to 122,638, 184,776.49 and 110,805.52

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Solution

The fourth proportional to 122,638, 184,776.49 and 110,805.52 is: 166,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,638 : 184,776.49 = 110,805.52 : x
  2. Step 2: Convert to fraction form
    122,638/184,776.49 = 110,805.52/x
  3. Step 3: Cross multiply
    122,638x = 184,776.49 × 110,805.52
  4. Step 4: Simplify right side
    122,638x = 20,474,255,058.22
  5. Step 5: Solve for x
    x = 20,474,255,058.22/122,638
  6. Step 6: Final answer
    x = 166,948.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.