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Finding the Fourth Proportional to 303,240.30, 454,969.80 and 125,801.70

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Solution

The fourth proportional to 303,240.30, 454,969.80 and 125,801.70 is: 188,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,240.30 : 454,969.80 = 125,801.70 : x
  2. Step 2: Convert to fraction form
    303,240.30/454,969.80 = 125,801.70/x
  3. Step 3: Cross multiply
    303,240.30x = 454,969.80 × 125,801.70
  4. Step 4: Simplify right side
    303,240.30x = 57,235,974,288.66
  5. Step 5: Solve for x
    x = 57,235,974,288.66/303,240.30
  6. Step 6: Final answer
    x = 188,747.91

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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.