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Finding the Fourth Proportional to 103,687.33, 155,531 and 33,573.73

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Solution

The fourth proportional to 103,687.33, 155,531 and 33,573.73 is: 50,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687.33 : 155,531 = 33,573.73 : x
  2. Step 2: Convert to fraction form
    103,687.33/155,531 = 33,573.73/x
  3. Step 3: Cross multiply
    103,687.33x = 155,531 × 33,573.73
  4. Step 4: Simplify right side
    103,687.33x = 5,221,755,800.63
  5. Step 5: Solve for x
    x = 5,221,755,800.63/103,687.33
  6. Step 6: Final answer
    x = 50,360.60

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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.