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Finding the Fourth Proportional to 73,818.70, 110,745.62 and 23,898.80

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Solution

The fourth proportional to 73,818.70, 110,745.62 and 23,898.80 is: 35,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,818.70 : 110,745.62 = 23,898.80 : x
  2. Step 2: Convert to fraction form
    73,818.70/110,745.62 = 23,898.80/x
  3. Step 3: Cross multiply
    73,818.70x = 110,745.62 × 23,898.80
  4. Step 4: Simplify right side
    73,818.70x = 2,646,687,423.26
  5. Step 5: Solve for x
    x = 2,646,687,423.26/73,818.70
  6. Step 6: Final answer
    x = 35,853.89

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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.