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Finding the Fourth Proportional to 123,185.72, 184,783.44 and 34,447.52

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Solution

The fourth proportional to 123,185.72, 184,783.44 and 34,447.52 is: 51,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,185.72 : 184,783.44 = 34,447.52 : x
  2. Step 2: Convert to fraction form
    123,185.72/184,783.44 = 34,447.52/x
  3. Step 3: Cross multiply
    123,185.72x = 184,783.44 × 34,447.52
  4. Step 4: Simplify right side
    123,185.72x = 6,365,331,245.07
  5. Step 5: Solve for x
    x = 6,365,331,245.07/123,185.72
  6. Step 6: Final answer
    x = 51,672.64

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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.