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Finding the Fourth Proportional to 202,956.32, 304,344.48 and 108,168.84

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Solution

The fourth proportional to 202,956.32, 304,344.48 and 108,168.84 is: 162,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,956.32 : 304,344.48 = 108,168.84 : x
  2. Step 2: Convert to fraction form
    202,956.32/304,344.48 = 108,168.84/x
  3. Step 3: Cross multiply
    202,956.32x = 304,344.48 × 108,168.84
  4. Step 4: Simplify right side
    202,956.32x = 32,920,589,362.00
  5. Step 5: Solve for x
    x = 32,920,589,362.00/202,956.32
  6. Step 6: Final answer
    x = 162,205.29

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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.