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Finding the Fourth Proportional to 303,205.85, 454,710.38 and 100,747.58

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Solution

The fourth proportional to 303,205.85, 454,710.38 and 100,747.58 is: 151,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,205.85 : 454,710.38 = 100,747.58 : x
  2. Step 2: Convert to fraction form
    303,205.85/454,710.38 = 100,747.58/x
  3. Step 3: Cross multiply
    303,205.85x = 454,710.38 × 100,747.58
  4. Step 4: Simplify right side
    303,205.85x = 45,810,972,934.70
  5. Step 5: Solve for x
    x = 45,810,972,934.70/303,205.85
  6. Step 6: Final answer
    x = 151,088.68

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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.