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Finding the Fourth Proportional to 251,645.88, 376,762.56 and 188,758.68

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Solution

The fourth proportional to 251,645.88, 376,762.56 and 188,758.68 is: 282,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,645.88 : 376,762.56 = 188,758.68 : x
  2. Step 2: Convert to fraction form
    251,645.88/376,762.56 = 188,758.68/x
  3. Step 3: Cross multiply
    251,645.88x = 376,762.56 × 188,758.68
  4. Step 4: Simplify right side
    251,645.88x = 71,117,203,499.02
  5. Step 5: Solve for x
    x = 71,117,203,499.02/251,645.88
  6. Step 6: Final answer
    x = 282,608.26

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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.