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Finding the Fourth Proportional to 241,009.74, 361,565.18 and 72,542.39

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Solution

The fourth proportional to 241,009.74, 361,565.18 and 72,542.39 is: 108,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,009.74 : 361,565.18 = 72,542.39 : x
  2. Step 2: Convert to fraction form
    241,009.74/361,565.18 = 72,542.39/x
  3. Step 3: Cross multiply
    241,009.74x = 361,565.18 × 72,542.39
  4. Step 4: Simplify right side
    241,009.74x = 26,228,800,127.44
  5. Step 5: Solve for x
    x = 26,228,800,127.44/241,009.74
  6. Step 6: Final answer
    x = 108,828.80

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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.