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Finding the Fourth Proportional to 227,411.69, 313,590.69 and 158,581.17

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Solution

The fourth proportional to 227,411.69, 313,590.69 and 158,581.17 is: 218,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,411.69 : 313,590.69 = 158,581.17 : x
  2. Step 2: Convert to fraction form
    227,411.69/313,590.69 = 158,581.17/x
  3. Step 3: Cross multiply
    227,411.69x = 313,590.69 × 158,581.17
  4. Step 4: Simplify right side
    227,411.69x = 49,729,578,521.31
  5. Step 5: Solve for x
    x = 49,729,578,521.31/227,411.69
  6. Step 6: Final answer
    x = 218,676.44

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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.