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Finding the Fourth Proportional to 222,230.88, 306,666.80 and 121,609.44

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Solution

The fourth proportional to 222,230.88, 306,666.80 and 121,609.44 is: 167,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,230.88 : 306,666.80 = 121,609.44 : x
  2. Step 2: Convert to fraction form
    222,230.88/306,666.80 = 121,609.44/x
  3. Step 3: Cross multiply
    222,230.88x = 306,666.80 × 121,609.44
  4. Step 4: Simplify right side
    222,230.88x = 37,293,577,814.59
  5. Step 5: Solve for x
    x = 37,293,577,814.59/222,230.88
  6. Step 6: Final answer
    x = 167,814.56

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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.