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Finding the Fourth Proportional to 295,744.49, 408,135.58 and 181,020.85

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Solution

The fourth proportional to 295,744.49, 408,135.58 and 181,020.85 is: 249,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,744.49 : 408,135.58 = 181,020.85 : x
  2. Step 2: Convert to fraction form
    295,744.49/408,135.58 = 181,020.85/x
  3. Step 3: Cross multiply
    295,744.49x = 408,135.58 × 181,020.85
  4. Step 4: Simplify right side
    295,744.49x = 73,881,048,133.95
  5. Step 5: Solve for x
    x = 73,881,048,133.95/295,744.49
  6. Step 6: Final answer
    x = 249,813.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.