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Finding the Fourth Proportional to 199,610.36, 275,451.78 and 108,948.74

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Solution

The fourth proportional to 199,610.36, 275,451.78 and 108,948.74 is: 150,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,610.36 : 275,451.78 = 108,948.74 : x
  2. Step 2: Convert to fraction form
    199,610.36/275,451.78 = 108,948.74/x
  3. Step 3: Cross multiply
    199,610.36x = 275,451.78 × 108,948.74
  4. Step 4: Simplify right side
    199,610.36x = 30,010,124,361.76
  5. Step 5: Solve for x
    x = 30,010,124,361.76/199,610.36
  6. Step 6: Final answer
    x = 150,343.52

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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.