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Finding the Fourth Proportional to 217,122.46, 325,323.60 and 153,627.87

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Solution

The fourth proportional to 217,122.46, 325,323.60 and 153,627.87 is: 230,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,122.46 : 325,323.60 = 153,627.87 : x
  2. Step 2: Convert to fraction form
    217,122.46/325,323.60 = 153,627.87/x
  3. Step 3: Cross multiply
    217,122.46x = 325,323.60 × 153,627.87
  4. Step 4: Simplify right side
    217,122.46x = 49,978,769,735.69
  5. Step 5: Solve for x
    x = 49,978,769,735.69/217,122.46
  6. Step 6: Final answer
    x = 230,187.01

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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.