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Finding the Fourth Proportional to 247,704.25, 371,699.39 and 133,852.45

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Solution

The fourth proportional to 247,704.25, 371,699.39 and 133,852.45 is: 200,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,704.25 : 371,699.39 = 133,852.45 : x
  2. Step 2: Convert to fraction form
    247,704.25/371,699.39 = 133,852.45/x
  3. Step 3: Cross multiply
    247,704.25x = 371,699.39 × 133,852.45
  4. Step 4: Simplify right side
    247,704.25x = 49,752,873,458.52
  5. Step 5: Solve for x
    x = 49,752,873,458.52/247,704.25
  6. Step 6: Final answer
    x = 200,855.95

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1.5x scale

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.