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Finding the Fourth Proportional to 103,627.99, 155,491.19 and 44,480.57

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Solution

The fourth proportional to 103,627.99, 155,491.19 and 44,480.57 is: 66,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.99 : 155,491.19 = 44,480.57 : x
  2. Step 2: Convert to fraction form
    103,627.99/155,491.19 = 44,480.57/x
  3. Step 3: Cross multiply
    103,627.99x = 155,491.19 × 44,480.57
  4. Step 4: Simplify right side
    103,627.99x = 6,916,336,761.18
  5. Step 5: Solve for x
    x = 6,916,336,761.18/103,627.99
  6. Step 6: Final answer
    x = 66,741.98

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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.