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Finding the Fourth Proportional to 222,506.82, 307,057.05 and 121,904.58

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Solution

The fourth proportional to 222,506.82, 307,057.05 and 121,904.58 is: 168,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,506.82 : 307,057.05 = 121,904.58 : x
  2. Step 2: Convert to fraction form
    222,506.82/307,057.05 = 121,904.58/x
  3. Step 3: Cross multiply
    222,506.82x = 307,057.05 × 121,904.58
  4. Step 4: Simplify right side
    222,506.82x = 37,431,660,716.29
  5. Step 5: Solve for x
    x = 37,431,660,716.29/222,506.82
  6. Step 6: Final answer
    x = 168,227.03

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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.