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Finding the Fourth Proportional to 123,699.44, 185,523.64 and 60,454.64

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Solution

The fourth proportional to 123,699.44, 185,523.64 and 60,454.64 is: 90,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,699.44 : 185,523.64 = 60,454.64 : x
  2. Step 2: Convert to fraction form
    123,699.44/185,523.64 = 60,454.64/x
  3. Step 3: Cross multiply
    123,699.44x = 185,523.64 × 60,454.64
  4. Step 4: Simplify right side
    123,699.44x = 11,215,763,788.93
  5. Step 5: Solve for x
    x = 11,215,763,788.93/123,699.44
  6. Step 6: Final answer
    x = 90,669.48

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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.