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Finding the Fourth Proportional to 217,272.75, 325,846.84 and 65,484.53

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Solution

The fourth proportional to 217,272.75, 325,846.84 and 65,484.53 is: 98,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,272.75 : 325,846.84 = 65,484.53 : x
  2. Step 2: Convert to fraction form
    217,272.75/325,846.84 = 65,484.53/x
  3. Step 3: Cross multiply
    217,272.75x = 325,846.84 × 65,484.53
  4. Step 4: Simplify right side
    217,272.75x = 21,337,925,988.88
  5. Step 5: Solve for x
    x = 21,337,925,988.88/217,272.75
  6. Step 6: Final answer
    x = 98,208.02

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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.