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Finding the Fourth Proportional to 182,461.20, 273,691.80 and 161,725.20

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Solution

The fourth proportional to 182,461.20, 273,691.80 and 161,725.20 is: 242,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,461.20 : 273,691.80 = 161,725.20 : x
  2. Step 2: Convert to fraction form
    182,461.20/273,691.80 = 161,725.20/x
  3. Step 3: Cross multiply
    182,461.20x = 273,691.80 × 161,725.20
  4. Step 4: Simplify right side
    182,461.20x = 44,262,861,093.36
  5. Step 5: Solve for x
    x = 44,262,861,093.36/182,461.20
  6. Step 6: Final answer
    x = 242,587.80

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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.