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Finding the Fourth Proportional to 197,124.30, 295,524.45 and 84,890.70

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Solution

The fourth proportional to 197,124.30, 295,524.45 and 84,890.70 is: 127,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,124.30 : 295,524.45 = 84,890.70 : x
  2. Step 2: Convert to fraction form
    197,124.30/295,524.45 = 84,890.70/x
  3. Step 3: Cross multiply
    197,124.30x = 295,524.45 × 84,890.70
  4. Step 4: Simplify right side
    197,124.30x = 25,087,277,427.62
  5. Step 5: Solve for x
    x = 25,087,277,427.62/197,124.30
  6. Step 6: Final answer
    x = 127,266.29

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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.