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Finding the Fourth Proportional to 103,702.76, 155,578.74 and 33,581.96

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Solution

The fourth proportional to 103,702.76, 155,578.74 and 33,581.96 is: 50,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,702.76 : 155,578.74 = 33,581.96 : x
  2. Step 2: Convert to fraction form
    103,702.76/155,578.74 = 33,581.96/x
  3. Step 3: Cross multiply
    103,702.76x = 155,578.74 × 33,581.96
  4. Step 4: Simplify right side
    103,702.76x = 5,224,639,023.53
  5. Step 5: Solve for x
    x = 5,224,639,023.53/103,702.76
  6. Step 6: Final answer
    x = 50,380.91

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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.