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Finding the Fourth Proportional to 108,666.99, 162,999.59 and 33,786.99

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Solution

The fourth proportional to 108,666.99, 162,999.59 and 33,786.99 is: 50,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,666.99 : 162,999.59 = 33,786.99 : x
  2. Step 2: Convert to fraction form
    108,666.99/162,999.59 = 33,786.99/x
  3. Step 3: Cross multiply
    108,666.99x = 162,999.59 × 33,786.99
  4. Step 4: Simplify right side
    108,666.99x = 5,507,265,348.40
  5. Step 5: Solve for x
    x = 5,507,265,348.40/108,666.99
  6. Step 6: Final answer
    x = 50,680.21

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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.