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Finding the Fourth Proportional to 241,291.25, 361,939.65 and 72,813.03

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Solution

The fourth proportional to 241,291.25, 361,939.65 and 72,813.03 is: 109,220.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,291.25 : 361,939.65 = 72,813.03 : x
  2. Step 2: Convert to fraction form
    241,291.25/361,939.65 = 72,813.03/x
  3. Step 3: Cross multiply
    241,291.25x = 361,939.65 × 72,813.03
  4. Step 4: Simplify right side
    241,291.25x = 26,353,922,866.69
  5. Step 5: Solve for x
    x = 26,353,922,866.69/241,291.25
  6. Step 6: Final answer
    x = 109,220.39

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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.