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Finding the Fourth Proportional to 122,883.99, 184,325.79 and 38,651.55

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Solution

The fourth proportional to 122,883.99, 184,325.79 and 38,651.55 is: 57,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,883.99 : 184,325.79 = 38,651.55 : x
  2. Step 2: Convert to fraction form
    122,883.99/184,325.79 = 38,651.55/x
  3. Step 3: Cross multiply
    122,883.99x = 184,325.79 × 38,651.55
  4. Step 4: Simplify right side
    122,883.99x = 7,124,477,488.47
  5. Step 5: Solve for x
    x = 7,124,477,488.47/122,883.99
  6. Step 6: Final answer
    x = 57,977.26

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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.