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Finding the Fourth Proportional to 54,132, 81,188.41 and 14,692.18

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Solution

The fourth proportional to 54,132, 81,188.41 and 14,692.18 is: 22,035.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,132 : 81,188.41 = 14,692.18 : x
  2. Step 2: Convert to fraction form
    54,132/81,188.41 = 14,692.18/x
  3. Step 3: Cross multiply
    54,132x = 81,188.41 × 14,692.18
  4. Step 4: Simplify right side
    54,132x = 1,192,834,733.63
  5. Step 5: Solve for x
    x = 1,192,834,733.63/54,132
  6. Step 6: Final answer
    x = 22,035.67

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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.