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Finding the Fourth Proportional to 125,859.96, 173,683.46 and 68,500.42

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Solution

The fourth proportional to 125,859.96, 173,683.46 and 68,500.42 is: 94,528.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,859.96 : 173,683.46 = 68,500.42 : x
  2. Step 2: Convert to fraction form
    125,859.96/173,683.46 = 68,500.42/x
  3. Step 3: Cross multiply
    125,859.96x = 173,683.46 × 68,500.42
  4. Step 4: Simplify right side
    125,859.96x = 11,897,389,957.05
  5. Step 5: Solve for x
    x = 11,897,389,957.05/125,859.96
  6. Step 6: Final answer
    x = 94,528.79

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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.