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Finding the Fourth Proportional to 161,480.50, 242,259.90 and 50,672.50

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Solution

The fourth proportional to 161,480.50, 242,259.90 and 50,672.50 is: 76,021.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,480.50 : 242,259.90 = 50,672.50 : x
  2. Step 2: Convert to fraction form
    161,480.50/242,259.90 = 50,672.50/x
  3. Step 3: Cross multiply
    161,480.50x = 242,259.90 × 50,672.50
  4. Step 4: Simplify right side
    161,480.50x = 12,275,914,782.75
  5. Step 5: Solve for x
    x = 12,275,914,782.75/161,480.50
  6. Step 6: Final answer
    x = 76,021.04

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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.