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Finding the Fourth Proportional to 109,573.20, 164,532.60 and 62,917.20

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Solution

The fourth proportional to 109,573.20, 164,532.60 and 62,917.20 is: 94,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,573.20 : 164,532.60 = 62,917.20 : x
  2. Step 2: Convert to fraction form
    109,573.20/164,532.60 = 62,917.20/x
  3. Step 3: Cross multiply
    109,573.20x = 164,532.60 × 62,917.20
  4. Step 4: Simplify right side
    109,573.20x = 10,351,930,500.72
  5. Step 5: Solve for x
    x = 10,351,930,500.72/109,573.20
  6. Step 6: Final answer
    x = 94,475.02

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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.