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Finding the Fourth Proportional to 216,496.59, 324,794.09 and 98,201.76

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Solution

The fourth proportional to 216,496.59, 324,794.09 and 98,201.76 is: 147,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,496.59 : 324,794.09 = 98,201.76 : x
  2. Step 2: Convert to fraction form
    216,496.59/324,794.09 = 98,201.76/x
  3. Step 3: Cross multiply
    216,496.59x = 324,794.09 × 98,201.76
  4. Step 4: Simplify right side
    216,496.59x = 31,895,351,275.60
  5. Step 5: Solve for x
    x = 31,895,351,275.60/216,496.59
  6. Step 6: Final answer
    x = 147,324.96

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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.