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Finding the Fourth Proportional to 125,858.48, 173,560.20 and 114,934.64

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Solution

The fourth proportional to 125,858.48, 173,560.20 and 114,934.64 is: 158,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,858.48 : 173,560.20 = 114,934.64 : x
  2. Step 2: Convert to fraction form
    125,858.48/173,560.20 = 114,934.64/x
  3. Step 3: Cross multiply
    125,858.48x = 173,560.20 × 114,934.64
  4. Step 4: Simplify right side
    125,858.48x = 19,948,079,105.33
  5. Step 5: Solve for x
    x = 19,948,079,105.33/125,858.48
  6. Step 6: Final answer
    x = 158,496.11

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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.