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Finding the Fourth Proportional to 402,542.00, 603,812.48 and 103,022.73

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Solution

The fourth proportional to 402,542.00, 603,812.48 and 103,022.73 is: 154,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,542.00 : 603,812.48 = 103,022.73 : x
  2. Step 2: Convert to fraction form
    402,542.00/603,812.48 = 103,022.73/x
  3. Step 3: Cross multiply
    402,542.00x = 603,812.48 × 103,022.73
  4. Step 4: Simplify right side
    402,542.00x = 62,206,410,355.23
  5. Step 5: Solve for x
    x = 62,206,410,355.23/402,542.00
  6. Step 6: Final answer
    x = 154,533.96

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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.