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Finding the Fourth Proportional to 303,772.70, 455,659.05 and 93,383.30

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Solution

The fourth proportional to 303,772.70, 455,659.05 and 93,383.30 is: 140,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,772.70 : 455,659.05 = 93,383.30 : x
  2. Step 2: Convert to fraction form
    303,772.70/455,659.05 = 93,383.30/x
  3. Step 3: Cross multiply
    303,772.70x = 455,659.05 × 93,383.30
  4. Step 4: Simplify right side
    303,772.70x = 42,550,945,763.87
  5. Step 5: Solve for x
    x = 42,550,945,763.87/303,772.70
  6. Step 6: Final answer
    x = 140,074.95

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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.