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Finding the Fourth Proportional to 64,546.30, 96,819.45 and 44,863.30

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Solution

The fourth proportional to 64,546.30, 96,819.45 and 44,863.30 is: 67,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,546.30 : 96,819.45 = 44,863.30 : x
  2. Step 2: Convert to fraction form
    64,546.30/96,819.45 = 44,863.30/x
  3. Step 3: Cross multiply
    64,546.30x = 96,819.45 × 44,863.30
  4. Step 4: Simplify right side
    64,546.30x = 4,343,640,031.19
  5. Step 5: Solve for x
    x = 4,343,640,031.19/64,546.30
  6. Step 6: Final answer
    x = 67,294.95

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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.