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Finding the Fourth Proportional to 241,982.91, 333,963 and 138,626.91

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Solution

The fourth proportional to 241,982.91, 333,963 and 138,626.91 is: 191,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,982.91 : 333,963 = 138,626.91 : x
  2. Step 2: Convert to fraction form
    241,982.91/333,963 = 138,626.91/x
  3. Step 3: Cross multiply
    241,982.91x = 333,963 × 138,626.91
  4. Step 4: Simplify right side
    241,982.91x = 46,296,258,744.33
  5. Step 5: Solve for x
    x = 46,296,258,744.33/241,982.91
  6. Step 6: Final answer
    x = 191,320.37

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1.5x scale

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.