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Finding the Fourth Proportional to 275,624.10, 413,338.95 and 125,936.10

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Solution

The fourth proportional to 275,624.10, 413,338.95 and 125,936.10 is: 188,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,624.10 : 413,338.95 = 125,936.10 : x
  2. Step 2: Convert to fraction form
    275,624.10/413,338.95 = 125,936.10/x
  3. Step 3: Cross multiply
    275,624.10x = 413,338.95 × 125,936.10
  4. Step 4: Simplify right side
    275,624.10x = 52,054,295,341.10
  5. Step 5: Solve for x
    x = 52,054,295,341.10/275,624.10
  6. Step 6: Final answer
    x = 188,859.74

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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.