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Finding the Fourth Proportional to 172,363.85, 258,545.85 and 54,044.41

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Solution

The fourth proportional to 172,363.85, 258,545.85 and 54,044.41 is: 81,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,363.85 : 258,545.85 = 54,044.41 : x
  2. Step 2: Convert to fraction form
    172,363.85/258,545.85 = 54,044.41/x
  3. Step 3: Cross multiply
    172,363.85x = 258,545.85 × 54,044.41
  4. Step 4: Simplify right side
    172,363.85x = 13,972,958,297.34
  5. Step 5: Solve for x
    x = 13,972,958,297.34/172,363.85
  6. Step 6: Final answer
    x = 81,066.64

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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.