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Finding the Fourth Proportional to 125,755.46, 173,543.25 and 68,395.44

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Solution

The fourth proportional to 125,755.46, 173,543.25 and 68,395.44 is: 94,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,755.46 : 173,543.25 = 68,395.44 : x
  2. Step 2: Convert to fraction form
    125,755.46/173,543.25 = 68,395.44/x
  3. Step 3: Cross multiply
    125,755.46x = 173,543.25 × 68,395.44
  4. Step 4: Simplify right side
    125,755.46x = 11,869,566,942.78
  5. Step 5: Solve for x
    x = 11,869,566,942.78/125,755.46
  6. Step 6: Final answer
    x = 94,386.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.