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Finding the Fourth Proportional to 202,749.20, 304,152.60 and 62,493.20

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Solution

The fourth proportional to 202,749.20, 304,152.60 and 62,493.20 is: 93,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,749.20 : 304,152.60 = 62,493.20 : x
  2. Step 2: Convert to fraction form
    202,749.20/304,152.60 = 62,493.20/x
  3. Step 3: Cross multiply
    202,749.20x = 304,152.60 × 62,493.20
  4. Step 4: Simplify right side
    202,749.20x = 19,007,469,262.32
  5. Step 5: Solve for x
    x = 19,007,469,262.32/202,749.20
  6. Step 6: Final answer
    x = 93,748.68

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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.