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Finding the Fourth Proportional to 216,650.87, 324,975.39 and 58,878.87

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Solution

The fourth proportional to 216,650.87, 324,975.39 and 58,878.87 is: 88,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,650.87 : 324,975.39 = 58,878.87 : x
  2. Step 2: Convert to fraction form
    216,650.87/324,975.39 = 58,878.87/x
  3. Step 3: Cross multiply
    216,650.87x = 324,975.39 × 58,878.87
  4. Step 4: Simplify right side
    216,650.87x = 19,134,183,741.01
  5. Step 5: Solve for x
    x = 19,134,183,741.01/216,650.87
  6. Step 6: Final answer
    x = 88,318.06

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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.