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Finding the Fourth Proportional to 165,057.78, 227,885.58 and 113,460.68

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Solution

The fourth proportional to 165,057.78, 227,885.58 and 113,460.68 is: 156,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,057.78 : 227,885.58 = 113,460.68 : x
  2. Step 2: Convert to fraction form
    165,057.78/227,885.58 = 113,460.68/x
  3. Step 3: Cross multiply
    165,057.78x = 227,885.58 × 113,460.68
  4. Step 4: Simplify right side
    165,057.78x = 25,856,052,868.99
  5. Step 5: Solve for x
    x = 25,856,052,868.99/165,057.78
  6. Step 6: Final answer
    x = 156,648.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.