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Finding the Fourth Proportional to 222,250.88, 306,713.40 and 121,648.88

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Solution

The fourth proportional to 222,250.88, 306,713.40 and 121,648.88 is: 167,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,250.88 : 306,713.40 = 121,648.88 : x
  2. Step 2: Convert to fraction form
    222,250.88/306,713.40 = 121,648.88/x
  3. Step 3: Cross multiply
    222,250.88x = 306,713.40 × 121,648.88
  4. Step 4: Simplify right side
    222,250.88x = 37,311,341,590.99
  5. Step 5: Solve for x
    x = 37,311,341,590.99/222,250.88
  6. Step 6: Final answer
    x = 167,879.39

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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.