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Finding the Fourth Proportional to 162,606.70, 243,945.89 and 48,749.97

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Solution

The fourth proportional to 162,606.70, 243,945.89 and 48,749.97 is: 73,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,606.70 : 243,945.89 = 48,749.97 : x
  2. Step 2: Convert to fraction form
    162,606.70/243,945.89 = 48,749.97/x
  3. Step 3: Cross multiply
    162,606.70x = 243,945.89 × 48,749.97
  4. Step 4: Simplify right side
    162,606.70x = 11,892,354,819.12
  5. Step 5: Solve for x
    x = 11,892,354,819.12/162,606.70
  6. Step 6: Final answer
    x = 73,135.70

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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.