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Finding the Fourth Proportional to 172,514.56, 258,564.48 and 93,625.60

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Solution

The fourth proportional to 172,514.56, 258,564.48 and 93,625.60 is: 140,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,514.56 : 258,564.48 = 93,625.60 : x
  2. Step 2: Convert to fraction form
    172,514.56/258,564.48 = 93,625.60/x
  3. Step 3: Cross multiply
    172,514.56x = 258,564.48 × 93,625.60
  4. Step 4: Simplify right side
    172,514.56x = 24,208,254,578.69
  5. Step 5: Solve for x
    x = 24,208,254,578.69/172,514.56
  6. Step 6: Final answer
    x = 140,325.86

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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.