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Finding the Fourth Proportional to 162,418.68, 243,654.30 and 50,072.63

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Solution

The fourth proportional to 162,418.68, 243,654.30 and 50,072.63 is: 75,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,418.68 : 243,654.30 = 50,072.63 : x
  2. Step 2: Convert to fraction form
    162,418.68/243,654.30 = 50,072.63/x
  3. Step 3: Cross multiply
    162,418.68x = 243,654.30 × 50,072.63
  4. Step 4: Simplify right side
    162,418.68x = 12,200,410,393.54
  5. Step 5: Solve for x
    x = 12,200,410,393.54/162,418.68
  6. Step 6: Final answer
    x = 75,117.04

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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.