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Finding the Fourth Proportional to 234,064.48, 323,009 and 126,634.45

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Solution

The fourth proportional to 234,064.48, 323,009 and 126,634.45 is: 174,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,064.48 : 323,009 = 126,634.45 : x
  2. Step 2: Convert to fraction form
    234,064.48/323,009 = 126,634.45/x
  3. Step 3: Cross multiply
    234,064.48x = 323,009 × 126,634.45
  4. Step 4: Simplify right side
    234,064.48x = 40,904,067,060.05
  5. Step 5: Solve for x
    x = 40,904,067,060.05/234,064.48
  6. Step 6: Final answer
    x = 174,755.55

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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.