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Finding the Fourth Proportional to 113,367.70, 170,051.55 and 34,481.80

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Solution

The fourth proportional to 113,367.70, 170,051.55 and 34,481.80 is: 51,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,367.70 : 170,051.55 = 34,481.80 : x
  2. Step 2: Convert to fraction form
    113,367.70/170,051.55 = 34,481.80/x
  3. Step 3: Cross multiply
    113,367.70x = 170,051.55 × 34,481.80
  4. Step 4: Simplify right side
    113,367.70x = 5,863,683,536.79
  5. Step 5: Solve for x
    x = 5,863,683,536.79/113,367.70
  6. Step 6: Final answer
    x = 51,722.70

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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.