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Finding the Fourth Proportional to 237,028.50, 355,542.78 and 70,816.50

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Solution

The fourth proportional to 237,028.50, 355,542.78 and 70,816.50 is: 106,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,028.50 : 355,542.78 = 70,816.50 : x
  2. Step 2: Convert to fraction form
    237,028.50/355,542.78 = 70,816.50/x
  3. Step 3: Cross multiply
    237,028.50x = 355,542.78 × 70,816.50
  4. Step 4: Simplify right side
    237,028.50x = 25,178,295,279.87
  5. Step 5: Solve for x
    x = 25,178,295,279.87/237,028.50
  6. Step 6: Final answer
    x = 106,224.76

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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.