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Finding the Fourth Proportional to 234,212.92, 323,214.94 and 126,783.04

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Solution

The fourth proportional to 234,212.92, 323,214.94 and 126,783.04 is: 174,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,212.92 : 323,214.94 = 126,783.04 : x
  2. Step 2: Convert to fraction form
    234,212.92/323,214.94 = 126,783.04/x
  3. Step 3: Cross multiply
    234,212.92x = 323,214.94 × 126,783.04
  4. Step 4: Simplify right side
    234,212.92x = 40,978,172,666.62
  5. Step 5: Solve for x
    x = 40,978,172,666.62/234,212.92
  6. Step 6: Final answer
    x = 174,961.20

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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.