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Finding the Fourth Proportional to 107,911.05, 161,885.07 and 33,029.34

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Solution

The fourth proportional to 107,911.05, 161,885.07 and 33,029.34 is: 49,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,911.05 : 161,885.07 = 33,029.34 : x
  2. Step 2: Convert to fraction form
    107,911.05/161,885.07 = 33,029.34/x
  3. Step 3: Cross multiply
    107,911.05x = 161,885.07 × 33,029.34
  4. Step 4: Simplify right side
    107,911.05x = 5,346,957,017.95
  5. Step 5: Solve for x
    x = 5,346,957,017.95/107,911.05
  6. Step 6: Final answer
    x = 49,549.67

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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.