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Finding the Fourth Proportional to 234,716.63, 323,905.88 and 127,286.10

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Solution

The fourth proportional to 234,716.63, 323,905.88 and 127,286.10 is: 175,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,716.63 : 323,905.88 = 127,286.10 : x
  2. Step 2: Convert to fraction form
    234,716.63/323,905.88 = 127,286.10/x
  3. Step 3: Cross multiply
    234,716.63x = 323,905.88 × 127,286.10
  4. Step 4: Simplify right side
    234,716.63x = 41,228,715,595.84
  5. Step 5: Solve for x
    x = 41,228,715,595.84/234,716.63
  6. Step 6: Final answer
    x = 175,653.15

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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.