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Finding the Fourth Proportional to 162,286.60, 243,429.90 and 92,302.60

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Solution

The fourth proportional to 162,286.60, 243,429.90 and 92,302.60 is: 138,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,286.60 : 243,429.90 = 92,302.60 : x
  2. Step 2: Convert to fraction form
    162,286.60/243,429.90 = 92,302.60/x
  3. Step 3: Cross multiply
    162,286.60x = 243,429.90 × 92,302.60
  4. Step 4: Simplify right side
    162,286.60x = 22,469,212,687.74
  5. Step 5: Solve for x
    x = 22,469,212,687.74/162,286.60
  6. Step 6: Final answer
    x = 138,453.90

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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.