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Finding the Fourth Proportional to 169,162.71, 253,743.98 and 157,952.64

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Solution

The fourth proportional to 169,162.71, 253,743.98 and 157,952.64 is: 236,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,162.71 : 253,743.98 = 157,952.64 : x
  2. Step 2: Convert to fraction form
    169,162.71/253,743.98 = 157,952.64/x
  3. Step 3: Cross multiply
    169,162.71x = 253,743.98 × 157,952.64
  4. Step 4: Simplify right side
    169,162.71x = 40,079,530,735.34
  5. Step 5: Solve for x
    x = 40,079,530,735.34/169,162.71
  6. Step 6: Final answer
    x = 236,928.88

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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.