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Finding the Fourth Proportional to 222,965.66, 307,644.28 and 132,351.84

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Solution

The fourth proportional to 222,965.66, 307,644.28 and 132,351.84 is: 182,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,965.66 : 307,644.28 = 132,351.84 : x
  2. Step 2: Convert to fraction form
    222,965.66/307,644.28 = 132,351.84/x
  3. Step 3: Cross multiply
    222,965.66x = 307,644.28 × 132,351.84
  4. Step 4: Simplify right side
    222,965.66x = 40,717,286,192.60
  5. Step 5: Solve for x
    x = 40,717,286,192.60/222,965.66
  6. Step 6: Final answer
    x = 182,616.85

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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.