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Finding the Fourth Proportional to 282,969.87, 423,744.99 and 169,047.42

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Solution

The fourth proportional to 282,969.87, 423,744.99 and 169,047.42 is: 253,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,969.87 : 423,744.99 = 169,047.42 : x
  2. Step 2: Convert to fraction form
    282,969.87/423,744.99 = 169,047.42/x
  3. Step 3: Cross multiply
    282,969.87x = 423,744.99 × 169,047.42
  4. Step 4: Simplify right side
    282,969.87x = 71,632,997,297.43
  5. Step 5: Solve for x
    x = 71,632,997,297.43/282,969.87
  6. Step 6: Final answer
    x = 253,147.08

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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.