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Finding the Fourth Proportional to 217,168.05, 325,756.80 and 152,863.41

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Solution

The fourth proportional to 217,168.05, 325,756.80 and 152,863.41 is: 229,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,168.05 : 325,756.80 = 152,863.41 : x
  2. Step 2: Convert to fraction form
    217,168.05/325,756.80 = 152,863.41/x
  3. Step 3: Cross multiply
    217,168.05x = 325,756.80 × 152,863.41
  4. Step 4: Simplify right side
    217,168.05x = 49,796,295,278.69
  5. Step 5: Solve for x
    x = 49,796,295,278.69/217,168.05
  6. Step 6: Final answer
    x = 229,298.44

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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.