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Finding the Fourth Proportional to 251,881.25, 377,969.49 and 180,727.20

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Solution

The fourth proportional to 251,881.25, 377,969.49 and 180,727.20 is: 271,196.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,881.25 : 377,969.49 = 180,727.20 : x
  2. Step 2: Convert to fraction form
    251,881.25/377,969.49 = 180,727.20/x
  3. Step 3: Cross multiply
    251,881.25x = 377,969.49 × 180,727.20
  4. Step 4: Simplify right side
    251,881.25x = 68,309,367,613.13
  5. Step 5: Solve for x
    x = 68,309,367,613.13/251,881.25
  6. Step 6: Final answer
    x = 271,196.72

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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.