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Finding the Fourth Proportional to 272,817.72, 409,254.84 and 104,337

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Solution

The fourth proportional to 272,817.72, 409,254.84 and 104,337 is: 156,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,817.72 : 409,254.84 = 104,337 : x
  2. Step 2: Convert to fraction form
    272,817.72/409,254.84 = 104,337/x
  3. Step 3: Cross multiply
    272,817.72x = 409,254.84 × 104,337
  4. Step 4: Simplify right side
    272,817.72x = 42,700,422,241.08
  5. Step 5: Solve for x
    x = 42,700,422,241.08/272,817.72
  6. Step 6: Final answer
    x = 156,516.31

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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.