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Finding the Fourth Proportional to 233,297.92, 321,951.21 and 136,520.38

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Solution

The fourth proportional to 233,297.92, 321,951.21 and 136,520.38 is: 188,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,297.92 : 321,951.21 = 136,520.38 : x
  2. Step 2: Convert to fraction form
    233,297.92/321,951.21 = 136,520.38/x
  3. Step 3: Cross multiply
    233,297.92x = 321,951.21 × 136,520.38
  4. Step 4: Simplify right side
    233,297.92x = 43,952,901,530.66
  5. Step 5: Solve for x
    x = 43,952,901,530.66/233,297.92
  6. Step 6: Final answer
    x = 188,398.17

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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.