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Finding the Fourth Proportional to 122,980.70, 184,503.45 and 44,086.70

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Solution

The fourth proportional to 122,980.70, 184,503.45 and 44,086.70 is: 66,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,980.70 : 184,503.45 = 44,086.70 : x
  2. Step 2: Convert to fraction form
    122,980.70/184,503.45 = 44,086.70/x
  3. Step 3: Cross multiply
    122,980.70x = 184,503.45 × 44,086.70
  4. Step 4: Simplify right side
    122,980.70x = 8,134,148,249.12
  5. Step 5: Solve for x
    x = 8,134,148,249.12/122,980.70
  6. Step 6: Final answer
    x = 66,141.66

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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.