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Finding the Fourth Proportional to 69,912.48, 96,616.08 and 62,136.48

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Solution

The fourth proportional to 69,912.48, 96,616.08 and 62,136.48 is: 85,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,912.48 : 96,616.08 = 62,136.48 : x
  2. Step 2: Convert to fraction form
    69,912.48/96,616.08 = 62,136.48/x
  3. Step 3: Cross multiply
    69,912.48x = 96,616.08 × 62,136.48
  4. Step 4: Simplify right side
    69,912.48x = 6,003,383,122.60
  5. Step 5: Solve for x
    x = 6,003,383,122.60/69,912.48
  6. Step 6: Final answer
    x = 85,869.98

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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.