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Finding the Fourth Proportional to 234,709.41, 323,899.06 and 127,279.41

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Solution

The fourth proportional to 234,709.41, 323,899.06 and 127,279.41 is: 175,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,709.41 : 323,899.06 = 127,279.41 : x
  2. Step 2: Convert to fraction form
    234,709.41/323,899.06 = 127,279.41/x
  3. Step 3: Cross multiply
    234,709.41x = 323,899.06 × 127,279.41
  4. Step 4: Simplify right side
    234,709.41x = 41,225,681,256.35
  5. Step 5: Solve for x
    x = 41,225,681,256.35/234,709.41
  6. Step 6: Final answer
    x = 175,645.63

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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.