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Finding the Fourth Proportional to 201,216.36, 301,599.76 and 87,232.58

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Solution

The fourth proportional to 201,216.36, 301,599.76 and 87,232.58 is: 130,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,216.36 : 301,599.76 = 87,232.58 : x
  2. Step 2: Convert to fraction form
    201,216.36/301,599.76 = 87,232.58/x
  3. Step 3: Cross multiply
    201,216.36x = 301,599.76 × 87,232.58
  4. Step 4: Simplify right side
    201,216.36x = 26,309,324,157.75
  5. Step 5: Solve for x
    x = 26,309,324,157.75/201,216.36
  6. Step 6: Final answer
    x = 130,751.42

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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.