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Finding the Fourth Proportional to 251,002.80, 376,550.88 and 82,532.52

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Solution

The fourth proportional to 251,002.80, 376,550.88 and 82,532.52 is: 123,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,002.80 : 376,550.88 = 82,532.52 : x
  2. Step 2: Convert to fraction form
    251,002.80/376,550.88 = 82,532.52/x
  3. Step 3: Cross multiply
    251,002.80x = 376,550.88 × 82,532.52
  4. Step 4: Simplify right side
    251,002.80x = 31,077,693,034.62
  5. Step 5: Solve for x
    x = 31,077,693,034.62/251,002.80
  6. Step 6: Final answer
    x = 123,814.13

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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.