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Finding the Fourth Proportional to 122,696.20, 184,044.30 and 119,240.20

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Solution

The fourth proportional to 122,696.20, 184,044.30 and 119,240.20 is: 178,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,696.20 : 184,044.30 = 119,240.20 : x
  2. Step 2: Convert to fraction form
    122,696.20/184,044.30 = 119,240.20/x
  3. Step 3: Cross multiply
    122,696.20x = 184,044.30 × 119,240.20
  4. Step 4: Simplify right side
    122,696.20x = 21,945,479,140.86
  5. Step 5: Solve for x
    x = 21,945,479,140.86/122,696.20
  6. Step 6: Final answer
    x = 178,860.30

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1.5x scale

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.