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Finding the Fourth Proportional to 222,806.24, 307,419.72 and 126,012.32

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Solution

The fourth proportional to 222,806.24, 307,419.72 and 126,012.32 is: 173,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,806.24 : 307,419.72 = 126,012.32 : x
  2. Step 2: Convert to fraction form
    222,806.24/307,419.72 = 126,012.32/x
  3. Step 3: Cross multiply
    222,806.24x = 307,419.72 × 126,012.32
  4. Step 4: Simplify right side
    222,806.24x = 38,738,672,130.95
  5. Step 5: Solve for x
    x = 38,738,672,130.95/222,806.24
  6. Step 6: Final answer
    x = 173,867.09

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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.