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Finding the Fourth Proportional to 220,759.66, 331,195.38 and 62,988.67

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Solution

The fourth proportional to 220,759.66, 331,195.38 and 62,988.67 is: 94,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,759.66 : 331,195.38 = 62,988.67 : x
  2. Step 2: Convert to fraction form
    220,759.66/331,195.38 = 62,988.67/x
  3. Step 3: Cross multiply
    220,759.66x = 331,195.38 × 62,988.67
  4. Step 4: Simplify right side
    220,759.66x = 20,861,556,496.34
  5. Step 5: Solve for x
    x = 20,861,556,496.34/220,759.66
  6. Step 6: Final answer
    x = 94,498.95

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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.