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Finding the Fourth Proportional to 96,313.50, 132,912.63 and 62,779.50

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Solution

The fourth proportional to 96,313.50, 132,912.63 and 62,779.50 is: 86,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,313.50 : 132,912.63 = 62,779.50 : x
  2. Step 2: Convert to fraction form
    96,313.50/132,912.63 = 62,779.50/x
  3. Step 3: Cross multiply
    96,313.50x = 132,912.63 × 62,779.50
  4. Step 4: Simplify right side
    96,313.50x = 8,344,188,455.09
  5. Step 5: Solve for x
    x = 8,344,188,455.09/96,313.50
  6. Step 6: Final answer
    x = 86,635.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.