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Finding the Fourth Proportional to 172,553.58, 258,892.65 and 60,250.35

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Solution

The fourth proportional to 172,553.58, 258,892.65 and 60,250.35 is: 90,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,553.58 : 258,892.65 = 60,250.35 : x
  2. Step 2: Convert to fraction form
    172,553.58/258,892.65 = 60,250.35/x
  3. Step 3: Cross multiply
    172,553.58x = 258,892.65 × 60,250.35
  4. Step 4: Simplify right side
    172,553.58x = 15,598,372,774.93
  5. Step 5: Solve for x
    x = 15,598,372,774.93/172,553.58
  6. Step 6: Final answer
    x = 90,397.27

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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.