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Finding the Fourth Proportional to 110,672.84, 165,910.63 and 40,535.75

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Solution

The fourth proportional to 110,672.84, 165,910.63 and 40,535.75 is: 60,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,672.84 : 165,910.63 = 40,535.75 : x
  2. Step 2: Convert to fraction form
    110,672.84/165,910.63 = 40,535.75/x
  3. Step 3: Cross multiply
    110,672.84x = 165,910.63 × 40,535.75
  4. Step 4: Simplify right side
    110,672.84x = 6,725,310,787.79
  5. Step 5: Solve for x
    x = 6,725,310,787.79/110,672.84
  6. Step 6: Final answer
    x = 60,767.49

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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.