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Finding the Fourth Proportional to 543,920.10, 816,027.77 and 164,825.52

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Solution

The fourth proportional to 543,920.10, 816,027.77 and 164,825.52 is: 247,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,920.10 : 816,027.77 = 164,825.52 : x
  2. Step 2: Convert to fraction form
    543,920.10/816,027.77 = 164,825.52/x
  3. Step 3: Cross multiply
    543,920.10x = 816,027.77 × 164,825.52
  4. Step 4: Simplify right side
    543,920.10x = 134,502,201,524.69
  5. Step 5: Solve for x
    x = 134,502,201,524.69/543,920.10
  6. Step 6: Final answer
    x = 247,283.01

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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.