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Finding the Fourth Proportional to 172,692.03, 238,311.42 and 96,211.02

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Solution

The fourth proportional to 172,692.03, 238,311.42 and 96,211.02 is: 132,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,692.03 : 238,311.42 = 96,211.02 : x
  2. Step 2: Convert to fraction form
    172,692.03/238,311.42 = 96,211.02/x
  3. Step 3: Cross multiply
    172,692.03x = 238,311.42 × 96,211.02
  4. Step 4: Simplify right side
    172,692.03x = 22,928,185,328.72
  5. Step 5: Solve for x
    x = 22,928,185,328.72/172,692.03
  6. Step 6: Final answer
    x = 132,769.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.