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Finding the Fourth Proportional to 163,522.64, 225,722.92 and 95,561.76

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Solution

The fourth proportional to 163,522.64, 225,722.92 and 95,561.76 is: 131,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,522.64 : 225,722.92 = 95,561.76 : x
  2. Step 2: Convert to fraction form
    163,522.64/225,722.92 = 95,561.76/x
  3. Step 3: Cross multiply
    163,522.64x = 225,722.92 × 95,561.76
  4. Step 4: Simplify right side
    163,522.64x = 21,570,479,507.54
  5. Step 5: Solve for x
    x = 21,570,479,507.54/163,522.64
  6. Step 6: Final answer
    x = 131,911.27

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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.