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Finding the Fourth Proportional to 234,203.91, 323,201.54 and 126,774.82

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Solution

The fourth proportional to 234,203.91, 323,201.54 and 126,774.82 is: 174,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,203.91 : 323,201.54 = 126,774.82 : x
  2. Step 2: Convert to fraction form
    234,203.91/323,201.54 = 126,774.82/x
  3. Step 3: Cross multiply
    234,203.91x = 323,201.54 × 126,774.82
  4. Step 4: Simplify right side
    234,203.91x = 40,973,817,778.16
  5. Step 5: Solve for x
    x = 40,973,817,778.16/234,203.91
  6. Step 6: Final answer
    x = 174,949.34

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1.5x scale

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.