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Finding the Fourth Proportional to 110,043.60, 165,076.34 and 39,928.38

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Solution

The fourth proportional to 110,043.60, 165,076.34 and 39,928.38 is: 59,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,043.60 : 165,076.34 = 39,928.38 : x
  2. Step 2: Convert to fraction form
    110,043.60/165,076.34 = 39,928.38/x
  3. Step 3: Cross multiply
    110,043.60x = 165,076.34 × 39,928.38
  4. Step 4: Simplify right side
    110,043.60x = 6,591,230,632.89
  5. Step 5: Solve for x
    x = 6,591,230,632.89/110,043.60
  6. Step 6: Final answer
    x = 59,896.54

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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.