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Finding the Fourth Proportional to 122,954.70, 184,432.05 and 122,079.90

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Solution

The fourth proportional to 122,954.70, 184,432.05 and 122,079.90 is: 183,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,954.70 : 184,432.05 = 122,079.90 : x
  2. Step 2: Convert to fraction form
    122,954.70/184,432.05 = 122,079.90/x
  3. Step 3: Cross multiply
    122,954.70x = 184,432.05 × 122,079.90
  4. Step 4: Simplify right side
    122,954.70x = 22,515,446,220.80
  5. Step 5: Solve for x
    x = 22,515,446,220.80/122,954.70
  6. Step 6: Final answer
    x = 183,119.85

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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.