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Finding the Fourth Proportional to 202,255.20, 302,799.60 and 123,523.20

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Solution

The fourth proportional to 202,255.20, 302,799.60 and 123,523.20 is: 184,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,255.20 : 302,799.60 = 123,523.20 : x
  2. Step 2: Convert to fraction form
    202,255.20/302,799.60 = 123,523.20/x
  3. Step 3: Cross multiply
    202,255.20x = 302,799.60 × 123,523.20
  4. Step 4: Simplify right side
    202,255.20x = 37,402,775,550.72
  5. Step 5: Solve for x
    x = 37,402,775,550.72/202,255.20
  6. Step 6: Final answer
    x = 184,928.62

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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.