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Finding the Fourth Proportional to 273,676.63, 410,633.21 and 147,169.01

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Solution

The fourth proportional to 273,676.63, 410,633.21 and 147,169.01 is: 220,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,676.63 : 410,633.21 = 147,169.01 : x
  2. Step 2: Convert to fraction form
    273,676.63/410,633.21 = 147,169.01/x
  3. Step 3: Cross multiply
    273,676.63x = 410,633.21 × 147,169.01
  4. Step 4: Simplify right side
    273,676.63x = 60,432,482,988.82
  5. Step 5: Solve for x
    x = 60,432,482,988.82/273,676.63
  6. Step 6: Final answer
    x = 220,817.11

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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.