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Finding the Fourth Proportional to 193,073.60, 289,610.40 and 179,076.80

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Solution

The fourth proportional to 193,073.60, 289,610.40 and 179,076.80 is: 268,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,073.60 : 289,610.40 = 179,076.80 : x
  2. Step 2: Convert to fraction form
    193,073.60/289,610.40 = 179,076.80/x
  3. Step 3: Cross multiply
    193,073.60x = 289,610.40 × 179,076.80
  4. Step 4: Simplify right side
    193,073.60x = 51,862,503,678.72
  5. Step 5: Solve for x
    x = 51,862,503,678.72/193,073.60
  6. Step 6: Final answer
    x = 268,615.20

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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.