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Finding the Fourth Proportional to 73,692.03, 110,537.71 and 21,101.50

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Solution

The fourth proportional to 73,692.03, 110,537.71 and 21,101.50 is: 31,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,692.03 : 110,537.71 = 21,101.50 : x
  2. Step 2: Convert to fraction form
    73,692.03/110,537.71 = 21,101.50/x
  3. Step 3: Cross multiply
    73,692.03x = 110,537.71 × 21,101.50
  4. Step 4: Simplify right side
    73,692.03x = 2,332,511,487.57
  5. Step 5: Solve for x
    x = 2,332,511,487.57/73,692.03
  6. Step 6: Final answer
    x = 31,652.15

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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.