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Finding the Fourth Proportional to 237,352.28, 355,983.10 and 71,140.28

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Solution

The fourth proportional to 237,352.28, 355,983.10 and 71,140.28 is: 106,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,352.28 : 355,983.10 = 71,140.28 : x
  2. Step 2: Convert to fraction form
    237,352.28/355,983.10 = 71,140.28/x
  3. Step 3: Cross multiply
    237,352.28x = 355,983.10 × 71,140.28
  4. Step 4: Simplify right side
    237,352.28x = 25,324,737,409.27
  5. Step 5: Solve for x
    x = 25,324,737,409.27/237,352.28
  6. Step 6: Final answer
    x = 106,696.84

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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.