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Finding the Fourth Proportional to 222,495.20, 333,595.20 and 122,703.20

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Solution

The fourth proportional to 222,495.20, 333,595.20 and 122,703.20 is: 183,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,495.20 : 333,595.20 = 122,703.20 : x
  2. Step 2: Convert to fraction form
    222,495.20/333,595.20 = 122,703.20/x
  3. Step 3: Cross multiply
    222,495.20x = 333,595.20 × 122,703.20
  4. Step 4: Simplify right side
    222,495.20x = 40,933,198,544.64
  5. Step 5: Solve for x
    x = 40,933,198,544.64/222,495.20
  6. Step 6: Final answer
    x = 183,973.40

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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.