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Finding the Fourth Proportional to 217,138.52, 325,226.56 and 166,848.44

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Solution

The fourth proportional to 217,138.52, 325,226.56 and 166,848.44 is: 249,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,138.52 : 325,226.56 = 166,848.44 : x
  2. Step 2: Convert to fraction form
    217,138.52/325,226.56 = 166,848.44/x
  3. Step 3: Cross multiply
    217,138.52x = 325,226.56 × 166,848.44
  4. Step 4: Simplify right side
    217,138.52x = 54,263,544,182.57
  5. Step 5: Solve for x
    x = 54,263,544,182.57/217,138.52
  6. Step 6: Final answer
    x = 249,902.89

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1.5x scale

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.