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Finding the Fourth Proportional to 159,692.03, 239,559.92 and 54,482.75

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Solution

The fourth proportional to 159,692.03, 239,559.92 and 54,482.75 is: 81,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,692.03 : 239,559.92 = 54,482.75 : x
  2. Step 2: Convert to fraction form
    159,692.03/239,559.92 = 54,482.75/x
  3. Step 3: Cross multiply
    159,692.03x = 239,559.92 × 54,482.75
  4. Step 4: Simplify right side
    159,692.03x = 13,051,882,958.97
  5. Step 5: Solve for x
    x = 13,051,882,958.97/159,692.03
  6. Step 6: Final answer
    x = 81,731.59

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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.