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Finding the Fourth Proportional to 234,625.79, 323,786.14 and 137,833.72

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Solution

The fourth proportional to 234,625.79, 323,786.14 and 137,833.72 is: 190,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,625.79 : 323,786.14 = 137,833.72 : x
  2. Step 2: Convert to fraction form
    234,625.79/323,786.14 = 137,833.72/x
  3. Step 3: Cross multiply
    234,625.79x = 323,786.14 × 137,833.72
  4. Step 4: Simplify right side
    234,625.79x = 44,628,648,160.64
  5. Step 5: Solve for x
    x = 44,628,648,160.64/234,625.79
  6. Step 6: Final answer
    x = 190,212.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.