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Finding the Fourth Proportional to 182,639.52, 273,960 and 56,278.80

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Solution

The fourth proportional to 182,639.52, 273,960 and 56,278.80 is: 84,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,639.52 : 273,960 = 56,278.80 : x
  2. Step 2: Convert to fraction form
    182,639.52/273,960 = 56,278.80/x
  3. Step 3: Cross multiply
    182,639.52x = 273,960 × 56,278.80
  4. Step 4: Simplify right side
    182,639.52x = 15,418,140,048
  5. Step 5: Solve for x
    x = 15,418,140,048/182,639.52
  6. Step 6: Final answer
    x = 84,418.42

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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.