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Finding the Fourth Proportional to 222,468.84, 307,014.66 and 121,866.84

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Solution

The fourth proportional to 222,468.84, 307,014.66 and 121,866.84 is: 168,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,468.84 : 307,014.66 = 121,866.84 : x
  2. Step 2: Convert to fraction form
    222,468.84/307,014.66 = 121,866.84/x
  3. Step 3: Cross multiply
    222,468.84x = 307,014.66 × 121,866.84
  4. Step 4: Simplify right side
    222,468.84x = 37,414,906,447.87
  5. Step 5: Solve for x
    x = 37,414,906,447.87/222,468.84
  6. Step 6: Final answer
    x = 168,180.44

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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.