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Finding the Fourth Proportional to 216,404.44, 324,610.26 and 98,076.78

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Solution

The fourth proportional to 216,404.44, 324,610.26 and 98,076.78 is: 147,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,404.44 : 324,610.26 = 98,076.78 : x
  2. Step 2: Convert to fraction form
    216,404.44/324,610.26 = 98,076.78/x
  3. Step 3: Cross multiply
    216,404.44x = 324,610.26 × 98,076.78
  4. Step 4: Simplify right side
    216,404.44x = 31,836,729,055.76
  5. Step 5: Solve for x
    x = 31,836,729,055.76/216,404.44
  6. Step 6: Final answer
    x = 147,116.80

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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.