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Finding the Fourth Proportional to 110,043.53, 165,076.23 and 39,928.31

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Solution

The fourth proportional to 110,043.53, 165,076.23 and 39,928.31 is: 59,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,043.53 : 165,076.23 = 39,928.31 : x
  2. Step 2: Convert to fraction form
    110,043.53/165,076.23 = 39,928.31/x
  3. Step 3: Cross multiply
    110,043.53x = 165,076.23 × 39,928.31
  4. Step 4: Simplify right side
    110,043.53x = 6,591,214,885.07
  5. Step 5: Solve for x
    x = 6,591,214,885.07/110,043.53
  6. Step 6: Final answer
    x = 59,896.43

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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.