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Finding the Fourth Proportional to 64,237.56, 96,231.66 and 47,339.88

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Solution

The fourth proportional to 64,237.56, 96,231.66 and 47,339.88 is: 70,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,237.56 : 96,231.66 = 47,339.88 : x
  2. Step 2: Convert to fraction form
    64,237.56/96,231.66 = 47,339.88/x
  3. Step 3: Cross multiply
    64,237.56x = 96,231.66 × 47,339.88
  4. Step 4: Simplify right side
    64,237.56x = 4,555,595,236.60
  5. Step 5: Solve for x
    x = 4,555,595,236.60/64,237.56
  6. Step 6: Final answer
    x = 70,917.94

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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.