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Finding the Fourth Proportional to 333,455.48, 500,184.49 and 80,735.54

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Solution

The fourth proportional to 333,455.48, 500,184.49 and 80,735.54 is: 121,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,455.48 : 500,184.49 = 80,735.54 : x
  2. Step 2: Convert to fraction form
    333,455.48/500,184.49 = 80,735.54/x
  3. Step 3: Cross multiply
    333,455.48x = 500,184.49 × 80,735.54
  4. Step 4: Simplify right side
    333,455.48x = 40,382,664,899.77
  5. Step 5: Solve for x
    x = 40,382,664,899.77/333,455.48
  6. Step 6: Final answer
    x = 121,103.62

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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.