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Finding the Fourth Proportional to 222,535.50, 333,855.75 and 72,775.20

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Solution

The fourth proportional to 222,535.50, 333,855.75 and 72,775.20 is: 109,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,535.50 : 333,855.75 = 72,775.20 : x
  2. Step 2: Convert to fraction form
    222,535.50/333,855.75 = 72,775.20/x
  3. Step 3: Cross multiply
    222,535.50x = 333,855.75 × 72,775.20
  4. Step 4: Simplify right side
    222,535.50x = 24,296,418,977.40
  5. Step 5: Solve for x
    x = 24,296,418,977.40/222,535.50
  6. Step 6: Final answer
    x = 109,179.97

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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.