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Finding the Fourth Proportional to 215,370.81, 323,107.56 and 108,492.12

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Solution

The fourth proportional to 215,370.81, 323,107.56 and 108,492.12 is: 162,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,370.81 : 323,107.56 = 108,492.12 : x
  2. Step 2: Convert to fraction form
    215,370.81/323,107.56 = 108,492.12/x
  3. Step 3: Cross multiply
    215,370.81x = 323,107.56 × 108,492.12
  4. Step 4: Simplify right side
    215,370.81x = 35,054,624,172.43
  5. Step 5: Solve for x
    x = 35,054,624,172.43/215,370.81
  6. Step 6: Final answer
    x = 162,764.04

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1.5x scale

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.