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Finding the Fourth Proportional to 222,075.20, 333,112.80 and 55,863.20

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Solution

The fourth proportional to 222,075.20, 333,112.80 and 55,863.20 is: 83,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,075.20 : 333,112.80 = 55,863.20 : x
  2. Step 2: Convert to fraction form
    222,075.20/333,112.80 = 55,863.20/x
  3. Step 3: Cross multiply
    222,075.20x = 333,112.80 × 55,863.20
  4. Step 4: Simplify right side
    222,075.20x = 18,608,746,968.96
  5. Step 5: Solve for x
    x = 18,608,746,968.96/222,075.20
  6. Step 6: Final answer
    x = 83,794.80

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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.