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Finding the Fourth Proportional to 303,119.25, 454,744.53 and 116,130.75

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Solution

The fourth proportional to 303,119.25, 454,744.53 and 116,130.75 is: 174,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,119.25 : 454,744.53 = 116,130.75 : x
  2. Step 2: Convert to fraction form
    303,119.25/454,744.53 = 116,130.75/x
  3. Step 3: Cross multiply
    303,119.25x = 454,744.53 × 116,130.75
  4. Step 4: Simplify right side
    303,119.25x = 52,809,823,327.30
  5. Step 5: Solve for x
    x = 52,809,823,327.30/303,119.25
  6. Step 6: Final answer
    x = 174,221.28

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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.