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Finding the Fourth Proportional to 217,292.25, 325,750.01 and 84,080.85

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Solution

The fourth proportional to 217,292.25, 325,750.01 and 84,080.85 is: 126,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,292.25 : 325,750.01 = 84,080.85 : x
  2. Step 2: Convert to fraction form
    217,292.25/325,750.01 = 84,080.85/x
  3. Step 3: Cross multiply
    217,292.25x = 325,750.01 × 84,080.85
  4. Step 4: Simplify right side
    217,292.25x = 27,389,337,307.90
  5. Step 5: Solve for x
    x = 27,389,337,307.90/217,292.25
  6. Step 6: Final answer
    x = 126,048.39

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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.