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Finding the Fourth Proportional to 108,164.04, 161,926.50 and 79,896.36

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Solution

The fourth proportional to 108,164.04, 161,926.50 and 79,896.36 is: 119,608.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,164.04 : 161,926.50 = 79,896.36 : x
  2. Step 2: Convert to fraction form
    108,164.04/161,926.50 = 79,896.36/x
  3. Step 3: Cross multiply
    108,164.04x = 161,926.50 × 79,896.36
  4. Step 4: Simplify right side
    108,164.04x = 12,937,337,937.54
  5. Step 5: Solve for x
    x = 12,937,337,937.54/108,164.04
  6. Step 6: Final answer
    x = 119,608.49

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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.