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Finding the Fourth Proportional to 241,531.92, 333,323.64 and 139,554

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Solution

The fourth proportional to 241,531.92, 333,323.64 and 139,554 is: 192,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,531.92 : 333,323.64 = 139,554 : x
  2. Step 2: Convert to fraction form
    241,531.92/333,323.64 = 139,554/x
  3. Step 3: Cross multiply
    241,531.92x = 333,323.64 × 139,554
  4. Step 4: Simplify right side
    241,531.92x = 46,516,647,256.56
  5. Step 5: Solve for x
    x = 46,516,647,256.56/241,531.92
  6. Step 6: Final answer
    x = 192,590.06

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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.