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Finding the Fourth Proportional to 251,208.96, 376,738.50 and 82,698.24

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Solution

The fourth proportional to 251,208.96, 376,738.50 and 82,698.24 is: 124,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,208.96 : 376,738.50 = 82,698.24 : x
  2. Step 2: Convert to fraction form
    251,208.96/376,738.50 = 82,698.24/x
  3. Step 3: Cross multiply
    251,208.96x = 376,738.50 × 82,698.24
  4. Step 4: Simplify right side
    251,208.96x = 31,155,610,890.24
  5. Step 5: Solve for x
    x = 31,155,610,890.24/251,208.96
  6. Step 6: Final answer
    x = 124,022.69

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1.5x scale

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.