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Finding the Fourth Proportional to 162,761.36, 244,211.80 and 83,930.95

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Solution

The fourth proportional to 162,761.36, 244,211.80 and 83,930.95 is: 125,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,761.36 : 244,211.80 = 83,930.95 : x
  2. Step 2: Convert to fraction form
    162,761.36/244,211.80 = 83,930.95/x
  3. Step 3: Cross multiply
    162,761.36x = 244,211.80 × 83,930.95
  4. Step 4: Simplify right side
    162,761.36x = 20,496,927,554.85
  5. Step 5: Solve for x
    x = 20,496,927,554.85/162,761.36
  6. Step 6: Final answer
    x = 125,932.39

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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.