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Finding the Fourth Proportional to 125,434.64, 173,100.36 and 68,846.48

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Solution

The fourth proportional to 125,434.64, 173,100.36 and 68,846.48 is: 95,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,434.64 : 173,100.36 = 68,846.48 : x
  2. Step 2: Convert to fraction form
    125,434.64/173,100.36 = 68,846.48/x
  3. Step 3: Cross multiply
    125,434.64x = 173,100.36 × 68,846.48
  4. Step 4: Simplify right side
    125,434.64x = 11,917,350,472.73
  5. Step 5: Solve for x
    x = 11,917,350,472.73/125,434.64
  6. Step 6: Final answer
    x = 95,008.45

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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.