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Finding the Fourth Proportional to 107,998.90, 162,070.65 and 44,819.09

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Solution

The fourth proportional to 107,998.90, 162,070.65 and 44,819.09 is: 67,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,998.90 : 162,070.65 = 44,819.09 : x
  2. Step 2: Convert to fraction form
    107,998.90/162,070.65 = 44,819.09/x
  3. Step 3: Cross multiply
    107,998.90x = 162,070.65 × 44,819.09
  4. Step 4: Simplify right side
    107,998.90x = 7,263,858,238.36
  5. Step 5: Solve for x
    x = 7,263,858,238.36/107,998.90
  6. Step 6: Final answer
    x = 67,258.63

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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.