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Finding the Fourth Proportional to 234,672.09, 323,844.35 and 127,239.81

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Solution

The fourth proportional to 234,672.09, 323,844.35 and 127,239.81 is: 175,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,672.09 : 323,844.35 = 127,239.81 : x
  2. Step 2: Convert to fraction form
    234,672.09/323,844.35 = 127,239.81/x
  3. Step 3: Cross multiply
    234,672.09x = 323,844.35 × 127,239.81
  4. Step 4: Simplify right side
    234,672.09x = 41,205,894,608.17
  5. Step 5: Solve for x
    x = 41,205,894,608.17/234,672.09
  6. Step 6: Final answer
    x = 175,589.25

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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.