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Finding the Fourth Proportional to 69,281.67, 95,558.22 and 52,965.75

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Solution

The fourth proportional to 69,281.67, 95,558.22 and 52,965.75 is: 73,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,281.67 : 95,558.22 = 52,965.75 : x
  2. Step 2: Convert to fraction form
    69,281.67/95,558.22 = 52,965.75/x
  3. Step 3: Cross multiply
    69,281.67x = 95,558.22 × 52,965.75
  4. Step 4: Simplify right side
    69,281.67x = 5,061,312,790.97
  5. Step 5: Solve for x
    x = 5,061,312,790.97/69,281.67
  6. Step 6: Final answer
    x = 73,054.14

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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.