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Finding the Fourth Proportional to 162,877.20, 244,315.80 and 136,633.20

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Solution

The fourth proportional to 162,877.20, 244,315.80 and 136,633.20 is: 204,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,877.20 : 244,315.80 = 136,633.20 : x
  2. Step 2: Convert to fraction form
    162,877.20/244,315.80 = 136,633.20/x
  3. Step 3: Cross multiply
    162,877.20x = 244,315.80 × 136,633.20
  4. Step 4: Simplify right side
    162,877.20x = 33,381,649,564.56
  5. Step 5: Solve for x
    x = 33,381,649,564.56/162,877.20
  6. Step 6: Final answer
    x = 204,949.80

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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.