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Finding the Fourth Proportional to 222,524, 307,083.12 and 121,924.32

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Solution

The fourth proportional to 222,524, 307,083.12 and 121,924.32 is: 168,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,524 : 307,083.12 = 121,924.32 : x
  2. Step 2: Convert to fraction form
    222,524/307,083.12 = 121,924.32/x
  3. Step 3: Cross multiply
    222,524x = 307,083.12 × 121,924.32
  4. Step 4: Simplify right side
    222,524x = 37,440,900,589.48
  5. Step 5: Solve for x
    x = 37,440,900,589.48/222,524
  6. Step 6: Final answer
    x = 168,255.56

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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.