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Finding the Fourth Proportional to 163,489.64, 225,608.44 and 95,512.92

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Solution

The fourth proportional to 163,489.64, 225,608.44 and 95,512.92 is: 131,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,489.64 : 225,608.44 = 95,512.92 : x
  2. Step 2: Convert to fraction form
    163,489.64/225,608.44 = 95,512.92/x
  3. Step 3: Cross multiply
    163,489.64x = 225,608.44 × 95,512.92
  4. Step 4: Simplify right side
    163,489.64x = 21,548,520,881.04
  5. Step 5: Solve for x
    x = 21,548,520,881.04/163,489.64
  6. Step 6: Final answer
    x = 131,803.59

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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.