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Finding the Fourth Proportional to 241,152, 332,789.76 and 135,168

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Solution

The fourth proportional to 241,152, 332,789.76 and 135,168 is: 186,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,152 : 332,789.76 = 135,168 : x
  2. Step 2: Convert to fraction form
    241,152/332,789.76 = 135,168/x
  3. Step 3: Cross multiply
    241,152x = 332,789.76 × 135,168
  4. Step 4: Simplify right side
    241,152x = 44,982,526,279.68
  5. Step 5: Solve for x
    x = 44,982,526,279.68/241,152
  6. Step 6: Final answer
    x = 186,531.84

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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.