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Finding the Fourth Proportional to 69,699.96, 96,173.44 and 41,412.60

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Solution

The fourth proportional to 69,699.96, 96,173.44 and 41,412.60 is: 57,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,699.96 : 96,173.44 = 41,412.60 : x
  2. Step 2: Convert to fraction form
    69,699.96/96,173.44 = 41,412.60/x
  3. Step 3: Cross multiply
    69,699.96x = 96,173.44 × 41,412.60
  4. Step 4: Simplify right side
    69,699.96x = 3,982,792,201.34
  5. Step 5: Solve for x
    x = 3,982,792,201.34/69,699.96
  6. Step 6: Final answer
    x = 57,141.96

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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.