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Finding the Fourth Proportional to 237,022.62, 355,367.94 and 87,243.48

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Solution

The fourth proportional to 237,022.62, 355,367.94 and 87,243.48 is: 130,804.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,022.62 : 355,367.94 = 87,243.48 : x
  2. Step 2: Convert to fraction form
    237,022.62/355,367.94 = 87,243.48/x
  3. Step 3: Cross multiply
    237,022.62x = 355,367.94 × 87,243.48
  4. Step 4: Simplify right side
    237,022.62x = 31,003,535,766.03
  5. Step 5: Solve for x
    x = 31,003,535,766.03/237,022.62
  6. Step 6: Final answer
    x = 130,804.12

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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.