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Finding the Fourth Proportional to 203,729.55, 305,594.33 and 151,241.55

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Solution

The fourth proportional to 203,729.55, 305,594.33 and 151,241.55 is: 226,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,729.55 : 305,594.33 = 151,241.55 : x
  2. Step 2: Convert to fraction form
    203,729.55/305,594.33 = 151,241.55/x
  3. Step 3: Cross multiply
    203,729.55x = 305,594.33 × 151,241.55
  4. Step 4: Simplify right side
    203,729.55x = 46,218,559,384.20
  5. Step 5: Solve for x
    x = 46,218,559,384.20/203,729.55
  6. Step 6: Final answer
    x = 226,862.33

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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.