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Finding the Fourth Proportional to 172,553.83, 258,893.03 and 60,250.60

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Solution

The fourth proportional to 172,553.83, 258,893.03 and 60,250.60 is: 90,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,553.83 : 258,893.03 = 60,250.60 : x
  2. Step 2: Convert to fraction form
    172,553.83/258,893.03 = 60,250.60/x
  3. Step 3: Cross multiply
    172,553.83x = 258,893.03 × 60,250.60
  4. Step 4: Simplify right side
    172,553.83x = 15,598,460,393.32
  5. Step 5: Solve for x
    x = 15,598,460,393.32/172,553.83
  6. Step 6: Final answer
    x = 90,397.65

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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.