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Finding the Fourth Proportional to 217,236, 325,558.08 and 111,832.32

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Solution

The fourth proportional to 217,236, 325,558.08 and 111,832.32 is: 167,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,236 : 325,558.08 = 111,832.32 : x
  2. Step 2: Convert to fraction form
    217,236/325,558.08 = 111,832.32/x
  3. Step 3: Cross multiply
    217,236x = 325,558.08 × 111,832.32
  4. Step 4: Simplify right side
    217,236x = 36,407,915,381.15
  5. Step 5: Solve for x
    x = 36,407,915,381.15/217,236
  6. Step 6: Final answer
    x = 167,596.14

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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.