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Finding the Fourth Proportional to 174,090.44, 240,162.90 and 126,238.88

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Solution

The fourth proportional to 174,090.44, 240,162.90 and 126,238.88 is: 174,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,090.44 : 240,162.90 = 126,238.88 : x
  2. Step 2: Convert to fraction form
    174,090.44/240,162.90 = 126,238.88/x
  3. Step 3: Cross multiply
    174,090.44x = 240,162.90 × 126,238.88
  4. Step 4: Simplify right side
    174,090.44x = 30,317,895,513.55
  5. Step 5: Solve for x
    x = 30,317,895,513.55/174,090.44
  6. Step 6: Final answer
    x = 174,150.26

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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.