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Finding the Fourth Proportional to 135,040.70, 202,269.45 and 117,544.70

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Solution

The fourth proportional to 135,040.70, 202,269.45 and 117,544.70 is: 176,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,040.70 : 202,269.45 = 117,544.70 : x
  2. Step 2: Convert to fraction form
    135,040.70/202,269.45 = 117,544.70/x
  3. Step 3: Cross multiply
    135,040.70x = 202,269.45 × 117,544.70
  4. Step 4: Simplify right side
    135,040.70x = 23,775,701,819.42
  5. Step 5: Solve for x
    x = 23,775,701,819.42/135,040.70
  6. Step 6: Final answer
    x = 176,063.23

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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.