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Finding the Fourth Proportional to 122,651.55, 183,999.20 and 33,903.09

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Solution

The fourth proportional to 122,651.55, 183,999.20 and 33,903.09 is: 50,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,651.55 : 183,999.20 = 33,903.09 : x
  2. Step 2: Convert to fraction form
    122,651.55/183,999.20 = 33,903.09/x
  3. Step 3: Cross multiply
    122,651.55x = 183,999.20 × 33,903.09
  4. Step 4: Simplify right side
    122,651.55x = 6,238,141,268.01
  5. Step 5: Solve for x
    x = 6,238,141,268.01/122,651.55
  6. Step 6: Final answer
    x = 50,860.68

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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.