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Finding the Fourth Proportional to 161,614.60, 223,059.30 and 97,987.24

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Solution

The fourth proportional to 161,614.60, 223,059.30 and 97,987.24 is: 135,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,614.60 : 223,059.30 = 97,987.24 : x
  2. Step 2: Convert to fraction form
    161,614.60/223,059.30 = 97,987.24/x
  3. Step 3: Cross multiply
    161,614.60x = 223,059.30 × 97,987.24
  4. Step 4: Simplify right side
    161,614.60x = 21,856,965,163.33
  5. Step 5: Solve for x
    x = 21,856,965,163.33/161,614.60
  6. Step 6: Final answer
    x = 135,241.28

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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.