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Finding the Fourth Proportional to 122,759.70, 184,022.37 and 70,067.58

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Solution

The fourth proportional to 122,759.70, 184,022.37 and 70,067.58 is: 105,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,759.70 : 184,022.37 = 70,067.58 : x
  2. Step 2: Convert to fraction form
    122,759.70/184,022.37 = 70,067.58/x
  3. Step 3: Cross multiply
    122,759.70x = 184,022.37 × 70,067.58
  4. Step 4: Simplify right side
    122,759.70x = 12,894,002,131.76
  5. Step 5: Solve for x
    x = 12,894,002,131.76/122,759.70
  6. Step 6: Final answer
    x = 105,034.49

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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.