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Finding the Fourth Proportional to 123,297.43, 184,902.40 and 44,390.47

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Solution

The fourth proportional to 123,297.43, 184,902.40 and 44,390.47 is: 66,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,297.43 : 184,902.40 = 44,390.47 : x
  2. Step 2: Convert to fraction form
    123,297.43/184,902.40 = 44,390.47/x
  3. Step 3: Cross multiply
    123,297.43x = 184,902.40 × 44,390.47
  4. Step 4: Simplify right side
    123,297.43x = 8,207,904,440.13
  5. Step 5: Solve for x
    x = 8,207,904,440.13/123,297.43
  6. Step 6: Final answer
    x = 66,569.96

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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.