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Finding the Fourth Proportional to 162,692.76, 243,999.33 and 67,923.73

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Solution

The fourth proportional to 162,692.76, 243,999.33 and 67,923.73 is: 101,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,692.76 : 243,999.33 = 67,923.73 : x
  2. Step 2: Convert to fraction form
    162,692.76/243,999.33 = 67,923.73/x
  3. Step 3: Cross multiply
    162,692.76x = 243,999.33 × 67,923.73
  4. Step 4: Simplify right side
    162,692.76x = 16,573,344,661.39
  5. Step 5: Solve for x
    x = 16,573,344,661.39/162,692.76
  6. Step 6: Final answer
    x = 101,868.97

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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.