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Finding the Fourth Proportional to 217,197.68, 325,839.98 and 75,048.14

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Solution

The fourth proportional to 217,197.68, 325,839.98 and 75,048.14 is: 112,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,197.68 : 325,839.98 = 75,048.14 : x
  2. Step 2: Convert to fraction form
    217,197.68/325,839.98 = 75,048.14/x
  3. Step 3: Cross multiply
    217,197.68x = 325,839.98 × 75,048.14
  4. Step 4: Simplify right side
    217,197.68x = 24,453,685,438.86
  5. Step 5: Solve for x
    x = 24,453,685,438.86/217,197.68
  6. Step 6: Final answer
    x = 112,587.23

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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.