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Finding the Fourth Proportional to 216,960.54, 325,526.47 and 67,212.51

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Solution

The fourth proportional to 216,960.54, 325,526.47 and 67,212.51 is: 100,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,960.54 : 325,526.47 = 67,212.51 : x
  2. Step 2: Convert to fraction form
    216,960.54/325,526.47 = 67,212.51/x
  3. Step 3: Cross multiply
    216,960.54x = 325,526.47 × 67,212.51
  4. Step 4: Simplify right side
    216,960.54x = 21,879,451,120.14
  5. Step 5: Solve for x
    x = 21,879,451,120.14/216,960.54
  6. Step 6: Final answer
    x = 100,845.30

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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.