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Finding the Fourth Proportional to 303,243.84, 454,671.12 and 125,873.28

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Solution

The fourth proportional to 303,243.84, 454,671.12 and 125,873.28 is: 188,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,243.84 : 454,671.12 = 125,873.28 : x
  2. Step 2: Convert to fraction form
    303,243.84/454,671.12 = 125,873.28/x
  3. Step 3: Cross multiply
    303,243.84x = 454,671.12 × 125,873.28
  4. Step 4: Simplify right side
    303,243.84x = 57,230,945,195.67
  5. Step 5: Solve for x
    x = 57,230,945,195.67/303,243.84
  6. Step 6: Final answer
    x = 188,729.13

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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.