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Finding the Fourth Proportional to 161,481, 242,260.65 and 50,673

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Solution

The fourth proportional to 161,481, 242,260.65 and 50,673 is: 76,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,481 : 242,260.65 = 50,673 : x
  2. Step 2: Convert to fraction form
    161,481/242,260.65 = 50,673/x
  3. Step 3: Cross multiply
    161,481x = 242,260.65 × 50,673
  4. Step 4: Simplify right side
    161,481x = 12,276,073,917.45
  5. Step 5: Solve for x
    x = 12,276,073,917.45/161,481
  6. Step 6: Final answer
    x = 76,021.79

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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.