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Finding the Fourth Proportional to 279,103.48, 385,027.50 and 165,846.04

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Solution

The fourth proportional to 279,103.48, 385,027.50 and 165,846.04 is: 228,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,103.48 : 385,027.50 = 165,846.04 : x
  2. Step 2: Convert to fraction form
    279,103.48/385,027.50 = 165,846.04/x
  3. Step 3: Cross multiply
    279,103.48x = 385,027.50 × 165,846.04
  4. Step 4: Simplify right side
    279,103.48x = 63,855,286,166.10
  5. Step 5: Solve for x
    x = 63,855,286,166.10/279,103.48
  6. Step 6: Final answer
    x = 228,787.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.