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Finding the Fourth Proportional to 202,994.40, 304,491.60 and 97,759.20

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Solution

The fourth proportional to 202,994.40, 304,491.60 and 97,759.20 is: 146,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,994.40 : 304,491.60 = 97,759.20 : x
  2. Step 2: Convert to fraction form
    202,994.40/304,491.60 = 97,759.20/x
  3. Step 3: Cross multiply
    202,994.40x = 304,491.60 × 97,759.20
  4. Step 4: Simplify right side
    202,994.40x = 29,766,855,222.72
  5. Step 5: Solve for x
    x = 29,766,855,222.72/202,994.40
  6. Step 6: Final answer
    x = 146,638.80

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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.