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Finding the Fourth Proportional to 107,910.69, 161,860.11 and 33,030.77

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Solution

The fourth proportional to 107,910.69, 161,860.11 and 33,030.77 is: 49,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,910.69 : 161,860.11 = 33,030.77 : x
  2. Step 2: Convert to fraction form
    107,910.69/161,860.11 = 33,030.77/x
  3. Step 3: Cross multiply
    107,910.69x = 161,860.11 × 33,030.77
  4. Step 4: Simplify right side
    107,910.69x = 5,346,364,042.88
  5. Step 5: Solve for x
    x = 5,346,364,042.88/107,910.69
  6. Step 6: Final answer
    x = 49,544.34

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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.