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Finding the Fourth Proportional to 351,175.77, 526,785.66 and 140,786.37

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Solution

The fourth proportional to 351,175.77, 526,785.66 and 140,786.37 is: 211,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,175.77 : 526,785.66 = 140,786.37 : x
  2. Step 2: Convert to fraction form
    351,175.77/526,785.66 = 140,786.37/x
  3. Step 3: Cross multiply
    351,175.77x = 526,785.66 × 140,786.37
  4. Step 4: Simplify right side
    351,175.77x = 74,164,240,839.45
  5. Step 5: Solve for x
    x = 74,164,240,839.45/351,175.77
  6. Step 6: Final answer
    x = 211,188.38

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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.