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Finding the Fourth Proportional to 219,590.73, 303,034.91 and 118,988.73

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Solution

The fourth proportional to 219,590.73, 303,034.91 and 118,988.73 is: 164,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,590.73 : 303,034.91 = 118,988.73 : x
  2. Step 2: Convert to fraction form
    219,590.73/303,034.91 = 118,988.73/x
  3. Step 3: Cross multiply
    219,590.73x = 303,034.91 × 118,988.73
  4. Step 4: Simplify right side
    219,590.73x = 36,057,738,491.62
  5. Step 5: Solve for x
    x = 36,057,738,491.62/219,590.73
  6. Step 6: Final answer
    x = 164,204.28

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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.