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Finding the Fourth Proportional to 86,076.96, 129,090.33 and 33,473.94

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Solution

The fourth proportional to 86,076.96, 129,090.33 and 33,473.94 is: 50,201.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,076.96 : 129,090.33 = 33,473.94 : x
  2. Step 2: Convert to fraction form
    86,076.96/129,090.33 = 33,473.94/x
  3. Step 3: Cross multiply
    86,076.96x = 129,090.33 × 33,473.94
  4. Step 4: Simplify right side
    86,076.96x = 4,321,161,961.00
  5. Step 5: Solve for x
    x = 4,321,161,961.00/86,076.96
  6. Step 6: Final answer
    x = 50,201.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.