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Finding the Fourth Proportional to 216,611.52, 324,582.16 and 150,181.44

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Solution

The fourth proportional to 216,611.52, 324,582.16 and 150,181.44 is: 225,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,611.52 : 324,582.16 = 150,181.44 : x
  2. Step 2: Convert to fraction form
    216,611.52/324,582.16 = 150,181.44/x
  3. Step 3: Cross multiply
    216,611.52x = 324,582.16 × 150,181.44
  4. Step 4: Simplify right side
    216,611.52x = 48,746,216,187.11
  5. Step 5: Solve for x
    x = 48,746,216,187.11/216,611.52
  6. Step 6: Final answer
    x = 225,039.81

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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.