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Finding the Fourth Proportional to 103,532.76, 155,273.49 and 44,361.72

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Solution

The fourth proportional to 103,532.76, 155,273.49 and 44,361.72 is: 66,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,532.76 : 155,273.49 = 44,361.72 : x
  2. Step 2: Convert to fraction form
    103,532.76/155,273.49 = 44,361.72/x
  3. Step 3: Cross multiply
    103,532.76x = 155,273.49 × 44,361.72
  4. Step 4: Simplify right side
    103,532.76x = 6,888,199,086.80
  5. Step 5: Solve for x
    x = 6,888,199,086.80/103,532.76
  6. Step 6: Final answer
    x = 66,531.59

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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.