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Finding the Fourth Proportional to 183,431.70, 275,147.55 and 183,431.70

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Solution

The fourth proportional to 183,431.70, 275,147.55 and 183,431.70 is: 275,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,431.70 : 275,147.55 = 183,431.70 : x
  2. Step 2: Convert to fraction form
    183,431.70/275,147.55 = 183,431.70/x
  3. Step 3: Cross multiply
    183,431.70x = 275,147.55 × 183,431.70
  4. Step 4: Simplify right side
    183,431.70x = 50,470,782,847.34
  5. Step 5: Solve for x
    x = 50,470,782,847.34/183,431.70
  6. Step 6: Final answer
    x = 275,147.55

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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.