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Finding the Fourth Proportional to 217,124.40, 325,205.39 and 166,834.32

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Solution

The fourth proportional to 217,124.40, 325,205.39 and 166,834.32 is: 249,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,124.40 : 325,205.39 = 166,834.32 : x
  2. Step 2: Convert to fraction form
    217,124.40/325,205.39 = 166,834.32/x
  3. Step 3: Cross multiply
    217,124.40x = 325,205.39 × 166,834.32
  4. Step 4: Simplify right side
    217,124.40x = 54,255,420,100.98
  5. Step 5: Solve for x
    x = 54,255,420,100.98/217,124.40
  6. Step 6: Final answer
    x = 249,881.73

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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.