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Finding the Fourth Proportional to 64,319.58, 96,627.69 and 61,662.42

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Solution

The fourth proportional to 64,319.58, 96,627.69 and 61,662.42 is: 92,635.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,319.58 : 96,627.69 = 61,662.42 : x
  2. Step 2: Convert to fraction form
    64,319.58/96,627.69 = 61,662.42/x
  3. Step 3: Cross multiply
    64,319.58x = 96,627.69 × 61,662.42
  4. Step 4: Simplify right side
    64,319.58x = 5,958,297,204.41
  5. Step 5: Solve for x
    x = 5,958,297,204.41/64,319.58
  6. Step 6: Final answer
    x = 92,635.82

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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.