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Finding the Fourth Proportional to 183,390.96, 253,100.25 and 122,133.75

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Solution

The fourth proportional to 183,390.96, 253,100.25 and 122,133.75 is: 168,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,390.96 : 253,100.25 = 122,133.75 : x
  2. Step 2: Convert to fraction form
    183,390.96/253,100.25 = 122,133.75/x
  3. Step 3: Cross multiply
    183,390.96x = 253,100.25 × 122,133.75
  4. Step 4: Simplify right side
    183,390.96x = 30,912,082,658.44
  5. Step 5: Solve for x
    x = 30,912,082,658.44/183,390.96
  6. Step 6: Final answer
    x = 168,558.38

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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.