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Finding the Fourth Proportional to 222,423.39, 306,914.81 and 126,924.39

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Solution

The fourth proportional to 222,423.39, 306,914.81 and 126,924.39 is: 175,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,423.39 : 306,914.81 = 126,924.39 : x
  2. Step 2: Convert to fraction form
    222,423.39/306,914.81 = 126,924.39/x
  3. Step 3: Cross multiply
    222,423.39x = 306,914.81 × 126,924.39
  4. Step 4: Simplify right side
    222,423.39x = 38,954,974,406.59
  5. Step 5: Solve for x
    x = 38,954,974,406.59/222,423.39
  6. Step 6: Final answer
    x = 175,138.84

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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.