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Finding the Fourth Proportional to 222,205.50, 333,308.25 and 55,993.50

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Solution

The fourth proportional to 222,205.50, 333,308.25 and 55,993.50 is: 83,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,205.50 : 333,308.25 = 55,993.50 : x
  2. Step 2: Convert to fraction form
    222,205.50/333,308.25 = 55,993.50/x
  3. Step 3: Cross multiply
    222,205.50x = 333,308.25 × 55,993.50
  4. Step 4: Simplify right side
    222,205.50x = 18,663,095,496.38
  5. Step 5: Solve for x
    x = 18,663,095,496.38/222,205.50
  6. Step 6: Final answer
    x = 83,990.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.