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Finding the Fourth Proportional to 269,901.80, 404,852.70 and 82,913.30

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Solution

The fourth proportional to 269,901.80, 404,852.70 and 82,913.30 is: 124,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,901.80 : 404,852.70 = 82,913.30 : x
  2. Step 2: Convert to fraction form
    269,901.80/404,852.70 = 82,913.30/x
  3. Step 3: Cross multiply
    269,901.80x = 404,852.70 × 82,913.30
  4. Step 4: Simplify right side
    269,901.80x = 33,567,673,370.91
  5. Step 5: Solve for x
    x = 33,567,673,370.91/269,901.80
  6. Step 6: Final answer
    x = 124,369.95

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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.