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Finding the Fourth Proportional to 217,113.20, 325,716.24 and 67,350.24

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Solution

The fourth proportional to 217,113.20, 325,716.24 and 67,350.24 is: 101,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,113.20 : 325,716.24 = 67,350.24 : x
  2. Step 2: Convert to fraction form
    217,113.20/325,716.24 = 67,350.24/x
  3. Step 3: Cross multiply
    217,113.20x = 325,716.24 × 67,350.24
  4. Step 4: Simplify right side
    217,113.20x = 21,937,066,935.90
  5. Step 5: Solve for x
    x = 21,937,066,935.90/217,113.20
  6. Step 6: Final answer
    x = 101,039.77

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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.