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Finding the Fourth Proportional to 124,658.92, 186,991.26 and 35,914.60

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Solution

The fourth proportional to 124,658.92, 186,991.26 and 35,914.60 is: 53,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,658.92 : 186,991.26 = 35,914.60 : x
  2. Step 2: Convert to fraction form
    124,658.92/186,991.26 = 35,914.60/x
  3. Step 3: Cross multiply
    124,658.92x = 186,991.26 × 35,914.60
  4. Step 4: Simplify right side
    124,658.92x = 6,715,716,306.40
  5. Step 5: Solve for x
    x = 6,715,716,306.40/124,658.92
  6. Step 6: Final answer
    x = 53,872.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.