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Finding the Fourth Proportional to 221,045.82, 331,800.65 and 195,906.26

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Solution

The fourth proportional to 221,045.82, 331,800.65 and 195,906.26 is: 294,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,045.82 : 331,800.65 = 195,906.26 : x
  2. Step 2: Convert to fraction form
    221,045.82/331,800.65 = 195,906.26/x
  3. Step 3: Cross multiply
    221,045.82x = 331,800.65 × 195,906.26
  4. Step 4: Simplify right side
    221,045.82x = 65,001,824,407.07
  5. Step 5: Solve for x
    x = 65,001,824,407.07/221,045.82
  6. Step 6: Final answer
    x = 294,064.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.