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Finding the Fourth Proportional to 69,505.08, 95,972.22 and 64,197.96

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Solution

The fourth proportional to 69,505.08, 95,972.22 and 64,197.96 is: 88,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,505.08 : 95,972.22 = 64,197.96 : x
  2. Step 2: Convert to fraction form
    69,505.08/95,972.22 = 64,197.96/x
  3. Step 3: Cross multiply
    69,505.08x = 95,972.22 × 64,197.96
  4. Step 4: Simplify right side
    69,505.08x = 6,161,220,740.67
  5. Step 5: Solve for x
    x = 6,161,220,740.67/69,505.08
  6. Step 6: Final answer
    x = 88,644.18

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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.