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Finding the Fourth Proportional to 229,064.43, 341,736.72 and 216,664.14

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Solution

The fourth proportional to 229,064.43, 341,736.72 and 216,664.14 is: 323,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,064.43 : 341,736.72 = 216,664.14 : x
  2. Step 2: Convert to fraction form
    229,064.43/341,736.72 = 216,664.14/x
  3. Step 3: Cross multiply
    229,064.43x = 341,736.72 × 216,664.14
  4. Step 4: Simplify right side
    229,064.43x = 74,042,092,545.22
  5. Step 5: Solve for x
    x = 74,042,092,545.22/229,064.43
  6. Step 6: Final answer
    x = 323,236.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.