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Finding the Fourth Proportional to 242,880.89, 364,345.61 and 74,399.27

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Solution

The fourth proportional to 242,880.89, 364,345.61 and 74,399.27 is: 111,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,880.89 : 364,345.61 = 74,399.27 : x
  2. Step 2: Convert to fraction form
    242,880.89/364,345.61 = 74,399.27/x
  3. Step 3: Cross multiply
    242,880.89x = 364,345.61 × 74,399.27
  4. Step 4: Simplify right side
    242,880.89x = 27,107,045,217.98
  5. Step 5: Solve for x
    x = 27,107,045,217.98/242,880.89
  6. Step 6: Final answer
    x = 111,606.33

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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.