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Finding the Fourth Proportional to 103,644.88, 155,472.18 and 33,529.66

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Solution

The fourth proportional to 103,644.88, 155,472.18 and 33,529.66 is: 50,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,644.88 : 155,472.18 = 33,529.66 : x
  2. Step 2: Convert to fraction form
    103,644.88/155,472.18 = 33,529.66/x
  3. Step 3: Cross multiply
    103,644.88x = 155,472.18 × 33,529.66
  4. Step 4: Simplify right side
    103,644.88x = 5,212,929,334.86
  5. Step 5: Solve for x
    x = 5,212,929,334.86/103,644.88
  6. Step 6: Final answer
    x = 50,296.06

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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.