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Finding the Fourth Proportional to 277,234.20, 416,045.70 and 119,575.80

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Solution

The fourth proportional to 277,234.20, 416,045.70 and 119,575.80 is: 179,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,234.20 : 416,045.70 = 119,575.80 : x
  2. Step 2: Convert to fraction form
    277,234.20/416,045.70 = 119,575.80/x
  3. Step 3: Cross multiply
    277,234.20x = 416,045.70 × 119,575.80
  4. Step 4: Simplify right side
    277,234.20x = 49,748,997,414.06
  5. Step 5: Solve for x
    x = 49,748,997,414.06/277,234.20
  6. Step 6: Final answer
    x = 179,447.55

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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.