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Finding the Fourth Proportional to 241,042.92, 361,614.81 and 91,279.80

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Solution

The fourth proportional to 241,042.92, 361,614.81 and 91,279.80 is: 136,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,042.92 : 361,614.81 = 91,279.80 : x
  2. Step 2: Convert to fraction form
    241,042.92/361,614.81 = 91,279.80/x
  3. Step 3: Cross multiply
    241,042.92x = 361,614.81 × 91,279.80
  4. Step 4: Simplify right side
    241,042.92x = 33,008,127,533.84
  5. Step 5: Solve for x
    x = 33,008,127,533.84/241,042.92
  6. Step 6: Final answer
    x = 136,938.80

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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.