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Finding the Fourth Proportional to 217,063.60, 325,206.60 and 185,959.60

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Solution

The fourth proportional to 217,063.60, 325,206.60 and 185,959.60 is: 278,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,063.60 : 325,206.60 = 185,959.60 : x
  2. Step 2: Convert to fraction form
    217,063.60/325,206.60 = 185,959.60/x
  3. Step 3: Cross multiply
    217,063.60x = 325,206.60 × 185,959.60
  4. Step 4: Simplify right side
    217,063.60x = 60,475,289,253.36
  5. Step 5: Solve for x
    x = 60,475,289,253.36/217,063.60
  6. Step 6: Final answer
    x = 278,606.31

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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.