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Finding the Fourth Proportional to 199,199.95, 274,892.23 and 108,556.54

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Solution

The fourth proportional to 199,199.95, 274,892.23 and 108,556.54 is: 149,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,199.95 : 274,892.23 = 108,556.54 : x
  2. Step 2: Convert to fraction form
    199,199.95/274,892.23 = 108,556.54/x
  3. Step 3: Cross multiply
    199,199.95x = 274,892.23 × 108,556.54
  4. Step 4: Simplify right side
    199,199.95x = 29,841,349,361.68
  5. Step 5: Solve for x
    x = 29,841,349,361.68/199,199.95
  6. Step 6: Final answer
    x = 149,806.01

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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.