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Finding the Fourth Proportional to 171,367.56, 236,459.12 and 107,660.25

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Solution

The fourth proportional to 171,367.56, 236,459.12 and 107,660.25 is: 148,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,367.56 : 236,459.12 = 107,660.25 : x
  2. Step 2: Convert to fraction form
    171,367.56/236,459.12 = 107,660.25/x
  3. Step 3: Cross multiply
    171,367.56x = 236,459.12 × 107,660.25
  4. Step 4: Simplify right side
    171,367.56x = 25,457,247,435.68
  5. Step 5: Solve for x
    x = 25,457,247,435.68/171,367.56
  6. Step 6: Final answer
    x = 148,553.48

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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.