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Finding the Fourth Proportional to 222,251.52, 306,714.48 and 121,649.52

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Solution

The fourth proportional to 222,251.52, 306,714.48 and 121,649.52 is: 167,880.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,251.52 : 306,714.48 = 121,649.52 : x
  2. Step 2: Convert to fraction form
    222,251.52/306,714.48 = 121,649.52/x
  3. Step 3: Cross multiply
    222,251.52x = 306,714.48 × 121,649.52
  4. Step 4: Simplify right side
    222,251.52x = 37,311,669,269.05
  5. Step 5: Solve for x
    x = 37,311,669,269.05/222,251.52
  6. Step 6: Final answer
    x = 167,880.38

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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.