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Finding the Fourth Proportional to 106,191.92, 159,310.92 and 32,318

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Solution

The fourth proportional to 106,191.92, 159,310.92 and 32,318 is: 48,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,191.92 : 159,310.92 = 32,318 : x
  2. Step 2: Convert to fraction form
    106,191.92/159,310.92 = 32,318/x
  3. Step 3: Cross multiply
    106,191.92x = 159,310.92 × 32,318
  4. Step 4: Simplify right side
    106,191.92x = 5,148,610,312.56
  5. Step 5: Solve for x
    x = 5,148,610,312.56/106,191.92
  6. Step 6: Final answer
    x = 48,484.01

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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.