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Finding the Fourth Proportional to 222,986.55, 307,620.99 and 132,346.34

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Solution

The fourth proportional to 222,986.55, 307,620.99 and 132,346.34 is: 182,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,986.55 : 307,620.99 = 132,346.34 : x
  2. Step 2: Convert to fraction form
    222,986.55/307,620.99 = 132,346.34/x
  3. Step 3: Cross multiply
    222,986.55x = 307,620.99 × 132,346.34
  4. Step 4: Simplify right side
    222,986.55x = 40,712,512,133.68
  5. Step 5: Solve for x
    x = 40,712,512,133.68/222,986.55
  6. Step 6: Final answer
    x = 182,578.33

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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.