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Finding the Fourth Proportional to 216,914.00, 325,171.72 and 74,725.49

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Solution

The fourth proportional to 216,914.00, 325,171.72 and 74,725.49 is: 112,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,914.00 : 325,171.72 = 74,725.49 : x
  2. Step 2: Convert to fraction form
    216,914.00/325,171.72 = 74,725.49/x
  3. Step 3: Cross multiply
    216,914.00x = 325,171.72 × 74,725.49
  4. Step 4: Simplify right side
    216,914.00x = 24,298,614,768.06
  5. Step 5: Solve for x
    x = 24,298,614,768.06/216,914.00
  6. Step 6: Final answer
    x = 112,019.58

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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.