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Finding the Fourth Proportional to 64,500.98, 96,704.28 and 43,388.53

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Solution

The fourth proportional to 64,500.98, 96,704.28 and 43,388.53 is: 65,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,500.98 : 96,704.28 = 43,388.53 : x
  2. Step 2: Convert to fraction form
    64,500.98/96,704.28 = 43,388.53/x
  3. Step 3: Cross multiply
    64,500.98x = 96,704.28 × 43,388.53
  4. Step 4: Simplify right side
    64,500.98x = 4,195,856,312.15
  5. Step 5: Solve for x
    x = 4,195,856,312.15/64,500.98
  6. Step 6: Final answer
    x = 65,051.05

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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.