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Finding the Fourth Proportional to 64,385.78, 96,466.02 and 44,676.86

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Solution

The fourth proportional to 64,385.78, 96,466.02 and 44,676.86 is: 66,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,385.78 : 96,466.02 = 44,676.86 : x
  2. Step 2: Convert to fraction form
    64,385.78/96,466.02 = 44,676.86/x
  3. Step 3: Cross multiply
    64,385.78x = 96,466.02 × 44,676.86
  4. Step 4: Simplify right side
    64,385.78x = 4,309,798,870.30
  5. Step 5: Solve for x
    x = 4,309,798,870.30/64,385.78
  6. Step 6: Final answer
    x = 66,937.12

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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.