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Finding the Fourth Proportional to 222,324.90, 306,779.46 and 126,825.90

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Solution

The fourth proportional to 222,324.90, 306,779.46 and 126,825.90 is: 175,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,324.90 : 306,779.46 = 126,825.90 : x
  2. Step 2: Convert to fraction form
    222,324.90/306,779.46 = 126,825.90/x
  3. Step 3: Cross multiply
    222,324.90x = 306,779.46 × 126,825.90
  4. Step 4: Simplify right side
    222,324.90x = 38,907,581,116.01
  5. Step 5: Solve for x
    x = 38,907,581,116.01/222,324.90
  6. Step 6: Final answer
    x = 175,003.25

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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.