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Finding the Fourth Proportional to 251,168.11, 376,804.00 and 82,698.47

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Solution

The fourth proportional to 251,168.11, 376,804.00 and 82,698.47 is: 124,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,168.11 : 376,804.00 = 82,698.47 : x
  2. Step 2: Convert to fraction form
    251,168.11/376,804.00 = 82,698.47/x
  3. Step 3: Cross multiply
    251,168.11x = 376,804.00 × 82,698.47
  4. Step 4: Simplify right side
    251,168.11x = 31,161,113,922.25
  5. Step 5: Solve for x
    x = 31,161,113,922.25/251,168.11
  6. Step 6: Final answer
    x = 124,064.77

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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.