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Finding the Fourth Proportional to 172,584.48, 258,544.88 and 124,448.88

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Solution

The fourth proportional to 172,584.48, 258,544.88 and 124,448.88 is: 186,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,584.48 : 258,544.88 = 124,448.88 : x
  2. Step 2: Convert to fraction form
    172,584.48/258,544.88 = 124,448.88/x
  3. Step 3: Cross multiply
    172,584.48x = 258,544.88 × 124,448.88
  4. Step 4: Simplify right side
    172,584.48x = 32,175,620,745.73
  5. Step 5: Solve for x
    x = 32,175,620,745.73/172,584.48
  6. Step 6: Final answer
    x = 186,434.03

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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.