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Finding the Fourth Proportional to 222,708.72, 307,107.66 and 154,802.37

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Solution

The fourth proportional to 222,708.72, 307,107.66 and 154,802.37 is: 213,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,708.72 : 307,107.66 = 154,802.37 : x
  2. Step 2: Convert to fraction form
    222,708.72/307,107.66 = 154,802.37/x
  3. Step 3: Cross multiply
    222,708.72x = 307,107.66 × 154,802.37
  4. Step 4: Simplify right side
    222,708.72x = 47,540,993,613.15
  5. Step 5: Solve for x
    x = 47,540,993,613.15/222,708.72
  6. Step 6: Final answer
    x = 213,467.14

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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.