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Finding the Fourth Proportional to 275,798.88, 413,487.72 and 125,935.11

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Solution

The fourth proportional to 275,798.88, 413,487.72 and 125,935.11 is: 188,806.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,798.88 : 413,487.72 = 125,935.11 : x
  2. Step 2: Convert to fraction form
    275,798.88/413,487.72 = 125,935.11/x
  3. Step 3: Cross multiply
    275,798.88x = 413,487.72 × 125,935.11
  4. Step 4: Simplify right side
    275,798.88x = 52,072,621,501.85
  5. Step 5: Solve for x
    x = 52,072,621,501.85/275,798.88
  6. Step 6: Final answer
    x = 188,806.50

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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.