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Finding the Fourth Proportional to 217,151.52, 325,246.08 and 166,861.44

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Solution

The fourth proportional to 217,151.52, 325,246.08 and 166,861.44 is: 249,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,151.52 : 325,246.08 = 166,861.44 : x
  2. Step 2: Convert to fraction form
    217,151.52/325,246.08 = 166,861.44/x
  3. Step 3: Cross multiply
    217,151.52x = 325,246.08 × 166,861.44
  4. Step 4: Simplify right side
    217,151.52x = 54,271,029,263.16
  5. Step 5: Solve for x
    x = 54,271,029,263.16/217,151.52
  6. Step 6: Final answer
    x = 249,922.40

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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.