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Finding the Fourth Proportional to 125,524.56, 173,223.69 and 68,935.93

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Solution

The fourth proportional to 125,524.56, 173,223.69 and 68,935.93 is: 95,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,524.56 : 173,223.69 = 68,935.93 : x
  2. Step 2: Convert to fraction form
    125,524.56/173,223.69 = 68,935.93/x
  3. Step 3: Cross multiply
    125,524.56x = 173,223.69 × 68,935.93
  4. Step 4: Simplify right side
    125,524.56x = 11,941,336,428.90
  5. Step 5: Solve for x
    x = 11,941,336,428.90/125,524.56
  6. Step 6: Final answer
    x = 95,131.48

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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.