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Finding the Fourth Proportional to 197,379.84, 296,020.44 and 77,461.14

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Solution

The fourth proportional to 197,379.84, 296,020.44 and 77,461.14 is: 116,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,379.84 : 296,020.44 = 77,461.14 : x
  2. Step 2: Convert to fraction form
    197,379.84/296,020.44 = 77,461.14/x
  3. Step 3: Cross multiply
    197,379.84x = 296,020.44 × 77,461.14
  4. Step 4: Simplify right side
    197,379.84x = 22,930,080,745.70
  5. Step 5: Solve for x
    x = 22,930,080,745.70/197,379.84
  6. Step 6: Final answer
    x = 116,172.35

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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.