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Finding the Fourth Proportional to 16,171,105.20, 24,256,657.80 and 15,852,240.60

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Solution

The fourth proportional to 16,171,105.20, 24,256,657.80 and 15,852,240.60 is: 23,778,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,171,105.20 : 24,256,657.80 = 15,852,240.60 : x
  2. Step 2: Convert to fraction form
    16,171,105.20/24,256,657.80 = 15,852,240.60/x
  3. Step 3: Cross multiply
    16,171,105.20x = 24,256,657.80 × 15,852,240.60
  4. Step 4: Simplify right side
    16,171,105.20x = 384,522,375,597,466.69
  5. Step 5: Solve for x
    x = 384,522,375,597,466.69/16,171,105.20
  6. Step 6: Final answer
    x = 23,778,360.90

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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.