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Finding the Fourth Proportional to 222,906.59, 307,611.06 and 127,415.34

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Solution

The fourth proportional to 222,906.59, 307,611.06 and 127,415.34 is: 175,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,906.59 : 307,611.06 = 127,415.34 : x
  2. Step 2: Convert to fraction form
    222,906.59/307,611.06 = 127,415.34/x
  3. Step 3: Cross multiply
    222,906.59x = 307,611.06 × 127,415.34
  4. Step 4: Simplify right side
    222,906.59x = 39,194,367,797.66
  5. Step 5: Solve for x
    x = 39,194,367,797.66/222,906.59
  6. Step 6: Final answer
    x = 175,833.15

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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.