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Finding the Fourth Proportional to 253,743.63, 350,166.21 and 151,773.39

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Solution

The fourth proportional to 253,743.63, 350,166.21 and 151,773.39 is: 209,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,743.63 : 350,166.21 = 151,773.39 : x
  2. Step 2: Convert to fraction form
    253,743.63/350,166.21 = 151,773.39/x
  3. Step 3: Cross multiply
    253,743.63x = 350,166.21 × 151,773.39
  4. Step 4: Simplify right side
    253,743.63x = 53,145,910,245.45
  5. Step 5: Solve for x
    x = 53,145,910,245.45/253,743.63
  6. Step 6: Final answer
    x = 209,447.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.