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Finding the Fourth Proportional to 234,709.66, 323,899.40 and 127,279.66

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Solution

The fourth proportional to 234,709.66, 323,899.40 and 127,279.66 is: 175,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,709.66 : 323,899.40 = 127,279.66 : x
  2. Step 2: Convert to fraction form
    234,709.66/323,899.40 = 127,279.66/x
  3. Step 3: Cross multiply
    234,709.66x = 323,899.40 × 127,279.66
  4. Step 4: Simplify right side
    234,709.66x = 41,225,805,014.65
  5. Step 5: Solve for x
    x = 41,225,805,014.65/234,709.66
  6. Step 6: Final answer
    x = 175,645.97

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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.